21352608

素因数分解:

$2^5\times 3^2\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:658

約数の個数: 72

約数和(自身を含む): 61248096

約数和(自身を除く): 39895488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 151, 288, 302, 453, 491, 604, 906, 982, 1208, 1359, 1473, 1812, 1964, 2416, 2718, 2946, 3624, 3928, 4419, 4832, 5436, 5892, 7248, 7856, 8838, 10872, 11784, 14496, 15712, 17676, 21744, 23568, 35352, 43488, 47136, 70704, 74141, 141408, 148282, 222423, 296564, 444846, 593128, 667269, 889692, 1186256, 1334538, 1779384, 2372512, 2669076, 3558768, 5338152, 7117536, 10676304, 21352608]

約数ペア:

[(1, 21352608), (2, 10676304), (3, 7117536), (4, 5338152), (6, 3558768), (8, 2669076), (9, 2372512), (12, 1779384), (16, 1334538), (18, 1186256), (24, 889692), (32, 667269), (36, 593128), (48, 444846), (72, 296564), (96, 222423), (144, 148282), (151, 141408), (288, 74141), (302, 70704), (453, 47136), (491, 43488), (604, 35352), (906, 23568), (982, 21744), (1208, 17676), (1359, 15712), (1473, 14496), (1812, 11784), (1964, 10872), (2416, 8838), (2718, 7856), (2946, 7248), (3624, 5892), (3928, 5436), (4419, 4832)]