21872358

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 48977136

約数和(自身を除く): 27104778

約数列:

[1, 2, 3, 6, 9, 18, 53, 101, 106, 159, 202, 227, 303, 318, 454, 477, 606, 681, 909, 954, 1362, 1818, 2043, 4086, 5353, 10706, 12031, 16059, 22927, 24062, 32118, 36093, 45854, 48177, 68781, 72186, 96354, 108279, 137562, 206343, 216558, 412686, 1215131, 2430262, 3645393, 7290786, 10936179, 21872358]

約数ペア:

[(1, 21872358), (2, 10936179), (3, 7290786), (6, 3645393), (9, 2430262), (18, 1215131), (53, 412686), (101, 216558), (106, 206343), (159, 137562), (202, 108279), (227, 96354), (303, 72186), (318, 68781), (454, 48177), (477, 45854), (606, 36093), (681, 32118), (909, 24062), (954, 22927), (1362, 16059), (1818, 12031), (2043, 10706), (4086, 5353)]