21032487180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1\times {\mathrm{4441}}^1$

素因数の和:4856

約数の個数: 144

約数和(自身を含む): 64785468384

約数和(自身を除く): 43752981204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 317, 332, 415, 498, 634, 747, 830, 951, 996, 1245, 1268, 1494, 1585, 1660, 1902, 2490, 2853, 2988, 3170, 3735, 3804, 4441, 4755, 4980, 5706, 6340, 7470, 8882, 9510, 11412, 13323, 14265, 14940, 17764, 19020, 22205, 26311, 26646, 28530, 39969, 44410, 52622, 53292, 57060, 66615, 78933, 79938, 88820, 105244, 131555, 133230, 157866, 159876, 199845, 236799, 263110, 266460, 315732, 368603, 394665, 399690, 473598, 526220, 737206, 789330, 799380, 947196, 1105809, 1183995, 1407797, 1474412, 1578660, 1843015, 2211618, 2367990, 2815594, 3317427, 3686030, 4223391, 4423236, 4735980, 5529045, 5631188, 6634854, 7038985, 7372060, 8446782, 11058090, 12670173, 13269708, 14077970, 16587135, 16893564, 21116955, 22116180, 25340346, 28155940, 33174270, 42233910, 50680692, 63350865, 66348540, 84467820, 116847151, 126701730, 233694302, 253403460, 350541453, 467388604, 584235755, 701082906, 1051624359, 1168471510, 1402165812, 1752707265, 2103248718, 2336943020, 3505414530, 4206497436, 5258121795, 7010829060, 10516243590, 21032487180]

約数ペア:

[(1, 21032487180), (2, 10516243590), (3, 7010829060), (4, 5258121795), (5, 4206497436), (6, 3505414530), (9, 2336943020), (10, 2103248718), (12, 1752707265), (15, 1402165812), (18, 1168471510), (20, 1051624359), (30, 701082906), (36, 584235755), (45, 467388604), (60, 350541453), (83, 253403460), (90, 233694302), (166, 126701730), (180, 116847151), (249, 84467820), (317, 66348540), (332, 63350865), (415, 50680692), (498, 42233910), (634, 33174270), (747, 28155940), (830, 25340346), (951, 22116180), (996, 21116955), (1245, 16893564), (1268, 16587135), (1494, 14077970), (1585, 13269708), (1660, 12670173), (1902, 11058090), (2490, 8446782), (2853, 7372060), (2988, 7038985), (3170, 6634854), (3735, 5631188), (3804, 5529045), (4441, 4735980), (4755, 4423236), (4980, 4223391), (5706, 3686030), (6340, 3317427), (7470, 2815594), (8882, 2367990), (9510, 2211618), (11412, 1843015), (13323, 1578660), (14265, 1474412), (14940, 1407797), (17764, 1183995), (19020, 1105809), (22205, 947196), (26311, 799380), (26646, 789330), (28530, 737206), (39969, 526220), (44410, 473598), (52622, 399690), (53292, 394665), (57060, 368603), (66615, 315732), (78933, 266460), (79938, 263110), (88820, 236799), (105244, 199845), (131555, 159876), (133230, 157866)]