21798968

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 41869200

約数和(自身を除く): 20070232

約数列:

[1, 2, 4, 8, 73, 146, 163, 229, 292, 326, 458, 584, 652, 916, 1304, 1832, 11899, 16717, 23798, 33434, 37327, 47596, 66868, 74654, 95192, 133736, 149308, 298616, 2724871, 5449742, 10899484, 21798968]

約数ペア:

[(1, 21798968), (2, 10899484), (4, 5449742), (8, 2724871), (73, 298616), (146, 149308), (163, 133736), (229, 95192), (292, 74654), (326, 66868), (458, 47596), (584, 37327), (652, 33434), (916, 23798), (1304, 16717), (1832, 11899)]