21243624

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 55814400

約数和(自身を除く): 34570776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 47, 74, 94, 111, 141, 148, 188, 222, 282, 296, 376, 444, 509, 564, 888, 1018, 1128, 1527, 1739, 2036, 3054, 3478, 4072, 5217, 6108, 6956, 10434, 12216, 13912, 18833, 20868, 23923, 37666, 41736, 47846, 56499, 71769, 75332, 95692, 112998, 143538, 150664, 191384, 225996, 287076, 451992, 574152, 885151, 1770302, 2655453, 3540604, 5310906, 7081208, 10621812, 21243624]

約数ペア:

[(1, 21243624), (2, 10621812), (3, 7081208), (4, 5310906), (6, 3540604), (8, 2655453), (12, 1770302), (24, 885151), (37, 574152), (47, 451992), (74, 287076), (94, 225996), (111, 191384), (141, 150664), (148, 143538), (188, 112998), (222, 95692), (282, 75332), (296, 71769), (376, 56499), (444, 47846), (509, 41736), (564, 37666), (888, 23923), (1018, 20868), (1128, 18833), (1527, 13912), (1739, 12216), (2036, 10434), (3054, 6956), (3478, 6108), (4072, 5217)]