21394402

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 34951680

約数和(自身を除く): 13557278

約数列:

[1, 2, 29, 31, 58, 62, 73, 146, 163, 326, 899, 1798, 2117, 2263, 4234, 4526, 4727, 5053, 9454, 10106, 11899, 23798, 65627, 131254, 146537, 293074, 345071, 368869, 690142, 737738, 10697201, 21394402]

約数ペア:

[(1, 21394402), (2, 10697201), (29, 737738), (31, 690142), (58, 368869), (62, 345071), (73, 293074), (146, 146537), (163, 131254), (326, 65627), (899, 23798), (1798, 11899), (2117, 10106), (2263, 9454), (4234, 5053), (4526, 4727)]