21248436

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{557}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 57558816

約数和(自身を除く): 36310380

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 102, 132, 187, 204, 289, 374, 557, 561, 578, 748, 867, 1114, 1122, 1156, 1671, 1734, 2228, 2244, 3179, 3342, 3468, 6127, 6358, 6684, 9469, 9537, 12254, 12716, 18381, 18938, 19074, 24508, 28407, 36762, 37876, 38148, 56814, 73524, 104159, 113628, 160973, 208318, 312477, 321946, 416636, 482919, 624954, 643892, 965838, 1249908, 1770703, 1931676, 3541406, 5312109, 7082812, 10624218, 21248436]

約数ペア:

[(1, 21248436), (2, 10624218), (3, 7082812), (4, 5312109), (6, 3541406), (11, 1931676), (12, 1770703), (17, 1249908), (22, 965838), (33, 643892), (34, 624954), (44, 482919), (51, 416636), (66, 321946), (68, 312477), (102, 208318), (132, 160973), (187, 113628), (204, 104159), (289, 73524), (374, 56814), (557, 38148), (561, 37876), (578, 36762), (748, 28407), (867, 24508), (1114, 19074), (1122, 18938), (1156, 18381), (1671, 12716), (1734, 12254), (2228, 9537), (2244, 9469), (3179, 6684), (3342, 6358), (3468, 6127)]