21905064

素因数分解:

$2^3\times 3^2\times {\mathrm{307}}^1\times {\mathrm{991}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 59579520

約数和(自身を除く): 37674456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 307, 614, 921, 991, 1228, 1842, 1982, 2456, 2763, 2973, 3684, 3964, 5526, 5946, 7368, 7928, 8919, 11052, 11892, 17838, 22104, 23784, 35676, 71352, 304237, 608474, 912711, 1216948, 1825422, 2433896, 2738133, 3650844, 5476266, 7301688, 10952532, 21905064]

約数ペア:

[(1, 21905064), (2, 10952532), (3, 7301688), (4, 5476266), (6, 3650844), (8, 2738133), (9, 2433896), (12, 1825422), (18, 1216948), (24, 912711), (36, 608474), (72, 304237), (307, 71352), (614, 35676), (921, 23784), (991, 22104), (1228, 17838), (1842, 11892), (1982, 11052), (2456, 8919), (2763, 7928), (2973, 7368), (3684, 5946), (3964, 5526)]