21781632

素因数分解:

$2^7\times 3^1\times {\mathrm{131}}^1\times {\mathrm{433}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 58433760

約数和(自身を除く): 36652128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 131, 192, 262, 384, 393, 433, 524, 786, 866, 1048, 1299, 1572, 1732, 2096, 2598, 3144, 3464, 4192, 5196, 6288, 6928, 8384, 10392, 12576, 13856, 16768, 20784, 25152, 27712, 41568, 50304, 55424, 56723, 83136, 113446, 166272, 170169, 226892, 340338, 453784, 680676, 907568, 1361352, 1815136, 2722704, 3630272, 5445408, 7260544, 10890816, 21781632]

約数ペア:

[(1, 21781632), (2, 10890816), (3, 7260544), (4, 5445408), (6, 3630272), (8, 2722704), (12, 1815136), (16, 1361352), (24, 907568), (32, 680676), (48, 453784), (64, 340338), (96, 226892), (128, 170169), (131, 166272), (192, 113446), (262, 83136), (384, 56723), (393, 55424), (433, 50304), (524, 41568), (786, 27712), (866, 25152), (1048, 20784), (1299, 16768), (1572, 13856), (1732, 12576), (2096, 10392), (2598, 8384), (3144, 6928), (3464, 6288), (4192, 5196)]