21556260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:239

約数の個数: 192

約数和(自身を含む): 77414400

約数和(自身を除く): 55858140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 27, 30, 33, 36, 38, 44, 45, 54, 55, 57, 60, 66, 76, 90, 95, 99, 108, 110, 114, 132, 135, 165, 171, 180, 190, 191, 198, 209, 220, 228, 270, 285, 297, 330, 342, 380, 382, 396, 418, 495, 513, 540, 570, 573, 594, 627, 660, 684, 764, 836, 855, 955, 990, 1026, 1045, 1140, 1146, 1188, 1254, 1485, 1710, 1719, 1881, 1910, 1980, 2052, 2090, 2101, 2292, 2508, 2565, 2865, 2970, 3135, 3420, 3438, 3629, 3762, 3820, 4180, 4202, 5130, 5157, 5643, 5730, 5940, 6270, 6303, 6876, 7258, 7524, 8404, 8595, 9405, 10260, 10314, 10505, 10887, 11286, 11460, 12540, 12606, 14516, 17190, 18145, 18810, 18909, 20628, 21010, 21774, 22572, 25212, 25785, 28215, 31515, 32661, 34380, 36290, 37620, 37818, 39919, 42020, 43548, 51570, 54435, 56430, 56727, 63030, 65322, 72580, 75636, 79838, 94545, 97983, 103140, 108870, 112860, 113454, 119757, 126060, 130644, 159676, 163305, 189090, 195966, 199595, 217740, 226908, 239514, 283635, 326610, 359271, 378180, 391932, 399190, 479028, 489915, 567270, 598785, 653220, 718542, 798380, 979830, 1077813, 1134540, 1197570, 1437084, 1796355, 1959660, 2155626, 2395140, 3592710, 4311252, 5389065, 7185420, 10778130, 21556260]

約数ペア:

[(1, 21556260), (2, 10778130), (3, 7185420), (4, 5389065), (5, 4311252), (6, 3592710), (9, 2395140), (10, 2155626), (11, 1959660), (12, 1796355), (15, 1437084), (18, 1197570), (19, 1134540), (20, 1077813), (22, 979830), (27, 798380), (30, 718542), (33, 653220), (36, 598785), (38, 567270), (44, 489915), (45, 479028), (54, 399190), (55, 391932), (57, 378180), (60, 359271), (66, 326610), (76, 283635), (90, 239514), (95, 226908), (99, 217740), (108, 199595), (110, 195966), (114, 189090), (132, 163305), (135, 159676), (165, 130644), (171, 126060), (180, 119757), (190, 113454), (191, 112860), (198, 108870), (209, 103140), (220, 97983), (228, 94545), (270, 79838), (285, 75636), (297, 72580), (330, 65322), (342, 63030), (380, 56727), (382, 56430), (396, 54435), (418, 51570), (495, 43548), (513, 42020), (540, 39919), (570, 37818), (573, 37620), (594, 36290), (627, 34380), (660, 32661), (684, 31515), (764, 28215), (836, 25785), (855, 25212), (955, 22572), (990, 21774), (1026, 21010), (1045, 20628), (1140, 18909), (1146, 18810), (1188, 18145), (1254, 17190), (1485, 14516), (1710, 12606), (1719, 12540), (1881, 11460), (1910, 11286), (1980, 10887), (2052, 10505), (2090, 10314), (2101, 10260), (2292, 9405), (2508, 8595), (2565, 8404), (2865, 7524), (2970, 7258), (3135, 6876), (3420, 6303), (3438, 6270), (3629, 5940), (3762, 5730), (3820, 5643), (4180, 5157), (4202, 5130)]