21592620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17137}}^1$

素因数の和:17159

約数の個数: 72

約数和(自身を含む): 74858784

約数和(自身を除く): 53266164

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 17137, 34274, 51411, 68548, 85685, 102822, 119959, 154233, 171370, 205644, 239918, 257055, 308466, 342740, 359877, 479836, 514110, 599795, 616932, 719754, 771165, 1028220, 1079631, 1199590, 1439508, 1542330, 1799385, 2159262, 2399180, 3084660, 3598770, 4318524, 5398155, 7197540, 10796310, 21592620]

約数ペア:

[(1, 21592620), (2, 10796310), (3, 7197540), (4, 5398155), (5, 4318524), (6, 3598770), (7, 3084660), (9, 2399180), (10, 2159262), (12, 1799385), (14, 1542330), (15, 1439508), (18, 1199590), (20, 1079631), (21, 1028220), (28, 771165), (30, 719754), (35, 616932), (36, 599795), (42, 514110), (45, 479836), (60, 359877), (63, 342740), (70, 308466), (84, 257055), (90, 239918), (105, 205644), (126, 171370), (140, 154233), (180, 119959), (210, 102822), (252, 85685), (315, 68548), (420, 51411), (630, 34274), (1260, 17137)]