21963848

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{631}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 43608000

約数和(自身を除く): 21644152

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 229, 458, 631, 916, 1262, 1832, 2524, 4351, 5048, 8702, 11989, 17404, 23978, 34808, 47956, 95912, 144499, 288998, 577996, 1155992, 2745481, 5490962, 10981924, 21963848]

約数ペア:

[(1, 21963848), (2, 10981924), (4, 5490962), (8, 2745481), (19, 1155992), (38, 577996), (76, 288998), (152, 144499), (229, 95912), (458, 47956), (631, 34808), (916, 23978), (1262, 17404), (1832, 11989), (2524, 8702), (4351, 5048)]