21683690500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{1057741}}^1$

素因数の和:1057801

約数の個数: 48

約数和(自身を含む): 48512279088

約数和(自身を除く): 26828588588

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 820, 1025, 2050, 4100, 5125, 10250, 20500, 1057741, 2115482, 4230964, 5288705, 10577410, 21154820, 26443525, 43367381, 52887050, 86734762, 105774100, 132217625, 173469524, 216836905, 264435250, 433673810, 528870500, 867347620, 1084184525, 2168369050, 4336738100, 5420922625, 10841845250, 21683690500]

約数ペア:

[(1, 21683690500), (2, 10841845250), (4, 5420922625), (5, 4336738100), (10, 2168369050), (20, 1084184525), (25, 867347620), (41, 528870500), (50, 433673810), (82, 264435250), (100, 216836905), (125, 173469524), (164, 132217625), (205, 105774100), (250, 86734762), (410, 52887050), (500, 43367381), (820, 26443525), (1025, 21154820), (2050, 10577410), (4100, 5288705), (5125, 4230964), (10250, 2115482), (20500, 1057741)]