21925218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 53084160

約数和(自身を除く): 31158942

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 47, 58, 87, 94, 141, 174, 203, 282, 329, 383, 406, 609, 658, 766, 987, 1149, 1218, 1363, 1974, 2298, 2681, 2726, 4089, 5362, 8043, 8178, 9541, 11107, 16086, 18001, 19082, 22214, 28623, 33321, 36002, 54003, 57246, 66642, 77749, 108006, 126007, 155498, 233247, 252014, 378021, 466494, 522029, 756042, 1044058, 1566087, 3132174, 3654203, 7308406, 10962609, 21925218]

約数ペア:

[(1, 21925218), (2, 10962609), (3, 7308406), (6, 3654203), (7, 3132174), (14, 1566087), (21, 1044058), (29, 756042), (42, 522029), (47, 466494), (58, 378021), (87, 252014), (94, 233247), (141, 155498), (174, 126007), (203, 108006), (282, 77749), (329, 66642), (383, 57246), (406, 54003), (609, 36002), (658, 33321), (766, 28623), (987, 22214), (1149, 19082), (1218, 18001), (1363, 16086), (1974, 11107), (2298, 9541), (2681, 8178), (2726, 8043), (4089, 5362)]