21601488

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{12163}}^1$

素因数の和:12211

約数の個数: 40

約数和(自身を含む): 57316768

約数和(自身を除く): 35715280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 12163, 24326, 36489, 48652, 72978, 97304, 145956, 194608, 291912, 450031, 583824, 900062, 1350093, 1800124, 2700186, 3600248, 5400372, 7200496, 10800744, 21601488]

約数ペア:

[(1, 21601488), (2, 10800744), (3, 7200496), (4, 5400372), (6, 3600248), (8, 2700186), (12, 1800124), (16, 1350093), (24, 900062), (37, 583824), (48, 450031), (74, 291912), (111, 194608), (148, 145956), (222, 97304), (296, 72978), (444, 48652), (592, 36489), (888, 24326), (1776, 12163)]