21294816

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^1\times {\mathrm{7649}}^1$

素因数の和:7691

約数の個数: 48

約数和(自身を含む): 57834000

約数和(自身を除く): 36539184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 87, 96, 116, 174, 232, 348, 464, 696, 928, 1392, 2784, 7649, 15298, 22947, 30596, 45894, 61192, 91788, 122384, 183576, 221821, 244768, 367152, 443642, 665463, 734304, 887284, 1330926, 1774568, 2661852, 3549136, 5323704, 7098272, 10647408, 21294816]

約数ペア:

[(1, 21294816), (2, 10647408), (3, 7098272), (4, 5323704), (6, 3549136), (8, 2661852), (12, 1774568), (16, 1330926), (24, 887284), (29, 734304), (32, 665463), (48, 443642), (58, 367152), (87, 244768), (96, 221821), (116, 183576), (174, 122384), (232, 91788), (348, 61192), (464, 45894), (696, 30596), (928, 22947), (1392, 15298), (2784, 7649)]