21403590910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4449811}}^1$

素因数の和:4449868

約数の個数: 32

約数和(自身を含む): 42611399712

約数和(自身を除く): 21207808802

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 4449811, 8899622, 22249055, 44498110, 57847543, 115695086, 164643007, 289237715, 329286014, 578475430, 823215035, 1646430070, 2140359091, 4280718182, 10701795455, 21403590910]

約数ペア:

[(1, 21403590910), (2, 10701795455), (5, 4280718182), (10, 2140359091), (13, 1646430070), (26, 823215035), (37, 578475430), (65, 329286014), (74, 289237715), (130, 164643007), (185, 115695086), (370, 57847543), (481, 44498110), (962, 22249055), (2405, 8899622), (4810, 4449811)]