21320496

素因数分解:

$2^4\times 3^4\times {\mathrm{16451}}^1$

素因数の和:16471

約数の個数: 50

約数和(自身を含む): 61711452

約数和(自身を除く): 40390956

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 16451, 32902, 49353, 65804, 98706, 131608, 148059, 197412, 263216, 296118, 394824, 444177, 592236, 789648, 888354, 1184472, 1332531, 1776708, 2368944, 2665062, 3553416, 5330124, 7106832, 10660248, 21320496]

約数ペア:

[(1, 21320496), (2, 10660248), (3, 7106832), (4, 5330124), (6, 3553416), (8, 2665062), (9, 2368944), (12, 1776708), (16, 1332531), (18, 1184472), (24, 888354), (27, 789648), (36, 592236), (48, 444177), (54, 394824), (72, 296118), (81, 263216), (108, 197412), (144, 148059), (162, 131608), (216, 98706), (324, 65804), (432, 49353), (648, 32902), (1296, 16451)]