21374962

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{751}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 17608718

約数列:

[1, 2, 7, 14, 19, 38, 107, 133, 214, 266, 749, 751, 1498, 1502, 2033, 4066, 5257, 10514, 14231, 14269, 28462, 28538, 80357, 99883, 160714, 199766, 562499, 1124998, 1526783, 3053566, 10687481, 21374962]

約数ペア:

[(1, 21374962), (2, 10687481), (7, 3053566), (14, 1526783), (19, 1124998), (38, 562499), (107, 199766), (133, 160714), (214, 99883), (266, 80357), (749, 28538), (751, 28462), (1498, 14269), (1502, 14231), (2033, 10514), (4066, 5257)]