21727244

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^4\times {\mathrm{53}}^1$

素因数の和:108

約数の個数: 60

約数和(自身を含む): 48701520

約数和(自身を除く): 26974276

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 53, 77, 106, 121, 154, 212, 242, 308, 371, 484, 583, 742, 847, 1166, 1331, 1484, 1694, 2332, 2662, 3388, 4081, 5324, 6413, 8162, 9317, 12826, 14641, 16324, 18634, 25652, 29282, 37268, 44891, 58564, 70543, 89782, 102487, 141086, 179564, 204974, 282172, 409948, 493801, 775973, 987602, 1551946, 1975204, 3103892, 5431811, 10863622, 21727244]

約数ペア:

[(1, 21727244), (2, 10863622), (4, 5431811), (7, 3103892), (11, 1975204), (14, 1551946), (22, 987602), (28, 775973), (44, 493801), (53, 409948), (77, 282172), (106, 204974), (121, 179564), (154, 141086), (212, 102487), (242, 89782), (308, 70543), (371, 58564), (484, 44891), (583, 37268), (742, 29282), (847, 25652), (1166, 18634), (1331, 16324), (1484, 14641), (1694, 12826), (2332, 9317), (2662, 8162), (3388, 6413), (4081, 5324)]