21234525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{751}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 39164160

約数和(自身を除く): 17929635

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 65, 75, 87, 145, 195, 325, 377, 435, 725, 751, 975, 1131, 1885, 2175, 2253, 3755, 5655, 9425, 9763, 11265, 18775, 21779, 28275, 29289, 48815, 56325, 65337, 108895, 146445, 244075, 283127, 326685, 544475, 732225, 849381, 1415635, 1633425, 4246905, 7078175, 21234525]

約数ペア:

[(1, 21234525), (3, 7078175), (5, 4246905), (13, 1633425), (15, 1415635), (25, 849381), (29, 732225), (39, 544475), (65, 326685), (75, 283127), (87, 244075), (145, 146445), (195, 108895), (325, 65337), (377, 56325), (435, 48815), (725, 29289), (751, 28275), (975, 21779), (1131, 18775), (1885, 11265), (2175, 9763), (2253, 9425), (3755, 5655)]