21253212

素因数分解:

$2^2\times 3^3\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 58060800

約数和(自身を除く): 36807588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 53, 54, 79, 94, 106, 108, 141, 158, 159, 188, 212, 237, 282, 316, 318, 423, 474, 477, 564, 636, 711, 846, 948, 954, 1269, 1422, 1431, 1692, 1908, 2133, 2491, 2538, 2844, 2862, 3713, 4187, 4266, 4982, 5076, 5724, 7426, 7473, 8374, 8532, 9964, 11139, 12561, 14852, 14946, 16748, 22278, 22419, 25122, 29892, 33417, 37683, 44556, 44838, 50244, 66834, 67257, 75366, 89676, 100251, 113049, 133668, 134514, 150732, 196789, 200502, 226098, 269028, 393578, 401004, 452196, 590367, 787156, 1180734, 1771101, 2361468, 3542202, 5313303, 7084404, 10626606, 21253212]

約数ペア:

[(1, 21253212), (2, 10626606), (3, 7084404), (4, 5313303), (6, 3542202), (9, 2361468), (12, 1771101), (18, 1180734), (27, 787156), (36, 590367), (47, 452196), (53, 401004), (54, 393578), (79, 269028), (94, 226098), (106, 200502), (108, 196789), (141, 150732), (158, 134514), (159, 133668), (188, 113049), (212, 100251), (237, 89676), (282, 75366), (316, 67257), (318, 66834), (423, 50244), (474, 44838), (477, 44556), (564, 37683), (636, 33417), (711, 29892), (846, 25122), (948, 22419), (954, 22278), (1269, 16748), (1422, 14946), (1431, 14852), (1692, 12561), (1908, 11139), (2133, 9964), (2491, 8532), (2538, 8374), (2844, 7473), (2862, 7426), (3713, 5724), (4187, 5076), (4266, 4982)]