21052284

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3709}}^1$

素因数の和:3770

約数の個数: 48

約数和(自身を含む): 54848640

約数和(自身を除く): 33796356

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 86, 129, 132, 172, 258, 473, 516, 946, 1419, 1892, 2838, 3709, 5676, 7418, 11127, 14836, 22254, 40799, 44508, 81598, 122397, 159487, 163196, 244794, 318974, 478461, 489588, 637948, 956922, 1754357, 1913844, 3508714, 5263071, 7017428, 10526142, 21052284]

約数ペア:

[(1, 21052284), (2, 10526142), (3, 7017428), (4, 5263071), (6, 3508714), (11, 1913844), (12, 1754357), (22, 956922), (33, 637948), (43, 489588), (44, 478461), (66, 318974), (86, 244794), (129, 163196), (132, 159487), (172, 122397), (258, 81598), (473, 44508), (516, 40799), (946, 22254), (1419, 14836), (1892, 11127), (2838, 7418), (3709, 5676)]