21607930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1621}}^1$

素因数の和:1702

約数の個数: 32

約数和(自身を含む): 41107968

約数和(自身を除く): 19500038

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 215, 310, 430, 1333, 1621, 2666, 3242, 6665, 8105, 13330, 16210, 50251, 69703, 100502, 139406, 251255, 348515, 502510, 697030, 2160793, 4321586, 10803965, 21607930]

約数ペア:

[(1, 21607930), (2, 10803965), (5, 4321586), (10, 2160793), (31, 697030), (43, 502510), (62, 348515), (86, 251255), (155, 139406), (215, 100502), (310, 69703), (430, 50251), (1333, 16210), (1621, 13330), (2666, 8105), (3242, 6665)]