21348408

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{829}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 56772000

約数和(自身を除く): 35423592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 37, 58, 74, 87, 111, 116, 148, 174, 222, 232, 296, 348, 444, 696, 829, 888, 1073, 1658, 2146, 2487, 3219, 3316, 4292, 4974, 6438, 6632, 8584, 9948, 12876, 19896, 24041, 25752, 30673, 48082, 61346, 72123, 92019, 96164, 122692, 144246, 184038, 192328, 245384, 288492, 368076, 576984, 736152, 889517, 1779034, 2668551, 3558068, 5337102, 7116136, 10674204, 21348408]

約数ペア:

[(1, 21348408), (2, 10674204), (3, 7116136), (4, 5337102), (6, 3558068), (8, 2668551), (12, 1779034), (24, 889517), (29, 736152), (37, 576984), (58, 368076), (74, 288492), (87, 245384), (111, 192328), (116, 184038), (148, 144246), (174, 122692), (222, 96164), (232, 92019), (296, 72123), (348, 61346), (444, 48082), (696, 30673), (829, 25752), (888, 24041), (1073, 19896), (1658, 12876), (2146, 9948), (2487, 8584), (3219, 6632), (3316, 6438), (4292, 4974)]