21465800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3701}}^1$

素因数の和:3746

約数の個数: 48

約数和(自身を含む): 51642900

約数和(自身を除く): 30177100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 3701, 5800, 7402, 14804, 18505, 29608, 37010, 74020, 92525, 107329, 148040, 185050, 214658, 370100, 429316, 536645, 740200, 858632, 1073290, 2146580, 2683225, 4293160, 5366450, 10732900, 21465800]

約数ペア:

[(1, 21465800), (2, 10732900), (4, 5366450), (5, 4293160), (8, 2683225), (10, 2146580), (20, 1073290), (25, 858632), (29, 740200), (40, 536645), (50, 429316), (58, 370100), (100, 214658), (116, 185050), (145, 148040), (200, 107329), (232, 92525), (290, 74020), (580, 37010), (725, 29608), (1160, 18505), (1450, 14804), (2900, 7402), (3701, 5800)]