21300500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 52284960

約数和(自身を除く): 30984460

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 113, 116, 125, 130, 145, 226, 250, 260, 290, 325, 377, 452, 500, 565, 580, 650, 725, 754, 1130, 1300, 1450, 1469, 1508, 1625, 1885, 2260, 2825, 2900, 2938, 3250, 3277, 3625, 3770, 5650, 5876, 6500, 6554, 7250, 7345, 7540, 9425, 11300, 13108, 14125, 14500, 14690, 16385, 18850, 28250, 29380, 32770, 36725, 37700, 42601, 47125, 56500, 65540, 73450, 81925, 85202, 94250, 146900, 163850, 170404, 183625, 188500, 213005, 327700, 367250, 409625, 426010, 734500, 819250, 852020, 1065025, 1638500, 2130050, 4260100, 5325125, 10650250, 21300500]

約数ペア:

[(1, 21300500), (2, 10650250), (4, 5325125), (5, 4260100), (10, 2130050), (13, 1638500), (20, 1065025), (25, 852020), (26, 819250), (29, 734500), (50, 426010), (52, 409625), (58, 367250), (65, 327700), (100, 213005), (113, 188500), (116, 183625), (125, 170404), (130, 163850), (145, 146900), (226, 94250), (250, 85202), (260, 81925), (290, 73450), (325, 65540), (377, 56500), (452, 47125), (500, 42601), (565, 37700), (580, 36725), (650, 32770), (725, 29380), (754, 28250), (1130, 18850), (1300, 16385), (1450, 14690), (1469, 14500), (1508, 14125), (1625, 13108), (1885, 11300), (2260, 9425), (2825, 7540), (2900, 7345), (2938, 7250), (3250, 6554), (3277, 6500), (3625, 5876), (3770, 5650)]