21480012

素因数分解:

$2^2\times 3^3\times {\mathrm{59}}^1\times {\mathrm{3371}}^1$

素因数の和:3443

約数の個数: 48

約数和(自身を含む): 56649600

約数和(自身を除く): 35169588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 59, 108, 118, 177, 236, 354, 531, 708, 1062, 1593, 2124, 3186, 3371, 6372, 6742, 10113, 13484, 20226, 30339, 40452, 60678, 91017, 121356, 182034, 198889, 364068, 397778, 596667, 795556, 1193334, 1790001, 2386668, 3580002, 5370003, 7160004, 10740006, 21480012]

約数ペア:

[(1, 21480012), (2, 10740006), (3, 7160004), (4, 5370003), (6, 3580002), (9, 2386668), (12, 1790001), (18, 1193334), (27, 795556), (36, 596667), (54, 397778), (59, 364068), (108, 198889), (118, 182034), (177, 121356), (236, 91017), (354, 60678), (531, 40452), (708, 30339), (1062, 20226), (1593, 13484), (2124, 10113), (3186, 6742), (3371, 6372)]