21474196

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 20523116

約数列:

[1, 2, 4, 17, 31, 34, 61, 62, 68, 122, 124, 167, 244, 334, 527, 668, 1037, 1054, 1891, 2074, 2108, 2839, 3782, 4148, 5177, 5678, 7564, 10187, 10354, 11356, 20374, 20708, 32147, 40748, 64294, 88009, 128588, 173179, 176018, 315797, 346358, 352036, 631594, 692716, 1263188, 5368549, 10737098, 21474196]

約数ペア:

[(1, 21474196), (2, 10737098), (4, 5368549), (17, 1263188), (31, 692716), (34, 631594), (61, 352036), (62, 346358), (68, 315797), (122, 176018), (124, 173179), (167, 128588), (244, 88009), (334, 64294), (527, 40748), (668, 32147), (1037, 20708), (1054, 20374), (1891, 11356), (2074, 10354), (2108, 10187), (2839, 7564), (3782, 5678), (4148, 5177)]