21708367198

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11658629}}^1$

素因数の和:11658664

約数の個数: 24

約数和(自身を含む): 39872514600

約数和(自身を除く): 18164147402

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 11658629, 23317258, 81610403, 163220806, 221513951, 443027902, 571272821, 1142545642, 1550597657, 3101195314, 10854183599, 21708367198]

約数ペア:

[(1, 21708367198), (2, 10854183599), (7, 3101195314), (14, 1550597657), (19, 1142545642), (38, 571272821), (49, 443027902), (98, 221513951), (133, 163220806), (266, 81610403), (931, 23317258), (1862, 11658629)]