21193452

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2273}}^1$

素因数の和:2327

約数の個数: 72

約数和(自身を含む): 62907936

約数和(自身を除く): 41714484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 222, 252, 259, 333, 444, 518, 666, 777, 1036, 1332, 1554, 2273, 2331, 3108, 4546, 4662, 6819, 9092, 9324, 13638, 15911, 20457, 27276, 31822, 40914, 47733, 63644, 81828, 84101, 95466, 143199, 168202, 190932, 252303, 286398, 336404, 504606, 572796, 588707, 756909, 1009212, 1177414, 1513818, 1766121, 2354828, 3027636, 3532242, 5298363, 7064484, 10596726, 21193452]

約数ペア:

[(1, 21193452), (2, 10596726), (3, 7064484), (4, 5298363), (6, 3532242), (7, 3027636), (9, 2354828), (12, 1766121), (14, 1513818), (18, 1177414), (21, 1009212), (28, 756909), (36, 588707), (37, 572796), (42, 504606), (63, 336404), (74, 286398), (84, 252303), (111, 190932), (126, 168202), (148, 143199), (222, 95466), (252, 84101), (259, 81828), (333, 63644), (444, 47733), (518, 40914), (666, 31822), (777, 27276), (1036, 20457), (1332, 15911), (1554, 13638), (2273, 9324), (2331, 9092), (3108, 6819), (4546, 4662)]