21555772420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{563}}^1$

素因数の和:894

約数の個数: 192

約数和(自身を含む): 56616215040

約数和(自身を除く): 35060442620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 109, 130, 140, 182, 193, 218, 260, 364, 386, 436, 455, 545, 563, 763, 772, 910, 965, 1090, 1126, 1351, 1417, 1526, 1820, 1930, 2180, 2252, 2509, 2702, 2815, 2834, 3052, 3815, 3860, 3941, 5018, 5404, 5630, 5668, 6755, 7085, 7319, 7630, 7882, 9919, 10036, 11260, 12545, 13510, 14170, 14638, 15260, 15764, 17563, 19705, 19838, 21037, 25090, 27020, 28340, 29276, 35126, 36595, 39410, 39676, 42074, 49595, 50180, 51233, 61367, 70252, 73190, 78820, 84148, 87815, 99190, 102466, 105185, 108659, 122734, 146380, 147259, 175630, 198380, 204932, 210370, 217318, 245468, 256165, 273481, 294518, 306835, 351260, 420740, 429569, 434636, 512330, 543295, 546962, 589036, 613670, 736295, 760613, 797771, 859138, 1024660, 1086590, 1093924, 1227340, 1367405, 1412567, 1472590, 1521226, 1595542, 1718276, 1914367, 2147845, 2173180, 2734810, 2825134, 2945180, 3042452, 3191084, 3803065, 3828734, 3988855, 4295690, 5469620, 5584397, 5650268, 7062835, 7606130, 7657468, 7977710, 8591380, 9571835, 9887969, 11168794, 11843831, 14125670, 15212260, 15955420, 19143670, 19775938, 22337588, 23687662, 27921985, 28251340, 38287340, 39551876, 47375324, 49439845, 55843970, 59219155, 82906817, 98879690, 111687940, 118438310, 153969803, 165813634, 197759380, 236876620, 307939606, 331627268, 414534085, 615879212, 769849015, 829068170, 1077788621, 1539698030, 1658136340, 2155577242, 3079396060, 4311154484, 5388943105, 10777886210, 21555772420]

約数ペア:

[(1, 21555772420), (2, 10777886210), (4, 5388943105), (5, 4311154484), (7, 3079396060), (10, 2155577242), (13, 1658136340), (14, 1539698030), (20, 1077788621), (26, 829068170), (28, 769849015), (35, 615879212), (52, 414534085), (65, 331627268), (70, 307939606), (91, 236876620), (109, 197759380), (130, 165813634), (140, 153969803), (182, 118438310), (193, 111687940), (218, 98879690), (260, 82906817), (364, 59219155), (386, 55843970), (436, 49439845), (455, 47375324), (545, 39551876), (563, 38287340), (763, 28251340), (772, 27921985), (910, 23687662), (965, 22337588), (1090, 19775938), (1126, 19143670), (1351, 15955420), (1417, 15212260), (1526, 14125670), (1820, 11843831), (1930, 11168794), (2180, 9887969), (2252, 9571835), (2509, 8591380), (2702, 7977710), (2815, 7657468), (2834, 7606130), (3052, 7062835), (3815, 5650268), (3860, 5584397), (3941, 5469620), (5018, 4295690), (5404, 3988855), (5630, 3828734), (5668, 3803065), (6755, 3191084), (7085, 3042452), (7319, 2945180), (7630, 2825134), (7882, 2734810), (9919, 2173180), (10036, 2147845), (11260, 1914367), (12545, 1718276), (13510, 1595542), (14170, 1521226), (14638, 1472590), (15260, 1412567), (15764, 1367405), (17563, 1227340), (19705, 1093924), (19838, 1086590), (21037, 1024660), (25090, 859138), (27020, 797771), (28340, 760613), (29276, 736295), (35126, 613670), (36595, 589036), (39410, 546962), (39676, 543295), (42074, 512330), (49595, 434636), (50180, 429569), (51233, 420740), (61367, 351260), (70252, 306835), (73190, 294518), (78820, 273481), (84148, 256165), (87815, 245468), (99190, 217318), (102466, 210370), (105185, 204932), (108659, 198380), (122734, 175630), (146380, 147259)]