21984176590

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{88721}}^1$

素因数の和:89148

約数の個数: 32

約数和(自身を含む): 40244299200

約数和(自身を除く): 18260122610

約数列:

[1, 2, 5, 10, 71, 142, 349, 355, 698, 710, 1745, 3490, 24779, 49558, 88721, 123895, 177442, 247790, 443605, 887210, 6299191, 12598382, 30963629, 31495955, 61927258, 62991910, 154818145, 309636290, 2198417659, 4396835318, 10992088295, 21984176590]

約数ペア:

[(1, 21984176590), (2, 10992088295), (5, 4396835318), (10, 2198417659), (71, 309636290), (142, 154818145), (349, 62991910), (355, 61927258), (698, 31495955), (710, 30963629), (1745, 12598382), (3490, 6299191), (24779, 887210), (49558, 443605), (88721, 247790), (123895, 177442)]