21199144432

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{77938031}}^1$

素因数の和:77938056

約数の個数: 20

約数和(自身を含む): 43489421856

約数和(自身を除く): 22290277424

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 77938031, 155876062, 311752124, 623504248, 1247008496, 1324946527, 2649893054, 5299786108, 10599572216, 21199144432]

約数ペア:

[(1, 21199144432), (2, 10599572216), (4, 5299786108), (8, 2649893054), (16, 1324946527), (17, 1247008496), (34, 623504248), (68, 311752124), (136, 155876062), (272, 77938031)]