21000824565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1769981}}^1$

素因数の和:1770109

約数の個数: 32

約数和(自身を含む): 38741366016

約数和(自身を除く): 17740541451

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 113, 339, 565, 791, 1695, 2373, 3955, 11865, 1769981, 5309943, 8849905, 12389867, 26549715, 37169601, 61949335, 185848005, 200007853, 600023559, 1000039265, 1400054971, 3000117795, 4200164913, 7000274855, 21000824565]

約数ペア:

[(1, 21000824565), (3, 7000274855), (5, 4200164913), (7, 3000117795), (15, 1400054971), (21, 1000039265), (35, 600023559), (105, 200007853), (113, 185848005), (339, 61949335), (565, 37169601), (791, 26549715), (1695, 12389867), (2373, 8849905), (3955, 5309943), (11865, 1769981)]