21028854546

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{761}}^1\times {\mathrm{219311}}^1$

素因数の和:220087

約数の個数: 48

約数和(自身を含む): 52140112128

約数和(自身を除く): 31111257582

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 761, 1522, 2283, 4566, 5327, 6849, 10654, 13698, 15981, 31962, 47943, 95886, 219311, 438622, 657933, 1315866, 1535177, 1973799, 3070354, 3947598, 4605531, 9211062, 13816593, 27633186, 166895671, 333791342, 500687013, 1001374026, 1168269697, 1502061039, 2336539394, 3004122078, 3504809091, 7009618182, 10514427273, 21028854546]

約数ペア:

[(1, 21028854546), (2, 10514427273), (3, 7009618182), (6, 3504809091), (7, 3004122078), (9, 2336539394), (14, 1502061039), (18, 1168269697), (21, 1001374026), (42, 500687013), (63, 333791342), (126, 166895671), (761, 27633186), (1522, 13816593), (2283, 9211062), (4566, 4605531), (5327, 3947598), (6849, 3070354), (10654, 1973799), (13698, 1535177), (15981, 1315866), (31962, 657933), (47943, 438622), (95886, 219311)]