21963064

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 42174000

約数和(自身を除く): 20210936

約数列:

[1, 2, 4, 8, 89, 109, 178, 218, 283, 356, 436, 566, 712, 872, 1132, 2264, 9701, 19402, 25187, 30847, 38804, 50374, 61694, 77608, 100748, 123388, 201496, 246776, 2745383, 5490766, 10981532, 21963064]

約数ペア:

[(1, 21963064), (2, 10981532), (4, 5490766), (8, 2745383), (89, 246776), (109, 201496), (178, 123388), (218, 100748), (283, 77608), (356, 61694), (436, 50374), (566, 38804), (712, 30847), (872, 25187), (1132, 19402), (2264, 9701)]