21798642

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{719}}^1$

素因数の和:918

約数の個数: 32

約数和(自身を含む): 45342720

約数和(自身を除く): 23544078

約数列:

[1, 2, 3, 6, 31, 62, 93, 163, 186, 326, 489, 719, 978, 1438, 2157, 4314, 5053, 10106, 15159, 22289, 30318, 44578, 66867, 117197, 133734, 234394, 351591, 703182, 3633107, 7266214, 10899321, 21798642]

約数ペア:

[(1, 21798642), (2, 10899321), (3, 7266214), (6, 3633107), (31, 703182), (62, 351591), (93, 234394), (163, 133734), (186, 117197), (326, 66867), (489, 44578), (719, 30318), (978, 22289), (1438, 15159), (2157, 10106), (4314, 5053)]