21521568

素因数分解:

$2^5\times 3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 59524416

約数和(自身を除く): 38002848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 73, 74, 83, 96, 111, 146, 148, 166, 219, 222, 249, 292, 296, 332, 438, 444, 498, 584, 592, 664, 876, 888, 996, 1168, 1184, 1328, 1752, 1776, 1992, 2336, 2656, 2701, 3071, 3504, 3552, 3984, 5402, 6059, 6142, 7008, 7968, 8103, 9213, 10804, 12118, 12284, 16206, 18177, 18426, 21608, 24236, 24568, 32412, 36354, 36852, 43216, 48472, 49136, 64824, 72708, 73704, 86432, 96944, 98272, 129648, 145416, 147408, 193888, 224183, 259296, 290832, 294816, 448366, 581664, 672549, 896732, 1345098, 1793464, 2690196, 3586928, 5380392, 7173856, 10760784, 21521568]

約数ペア:

[(1, 21521568), (2, 10760784), (3, 7173856), (4, 5380392), (6, 3586928), (8, 2690196), (12, 1793464), (16, 1345098), (24, 896732), (32, 672549), (37, 581664), (48, 448366), (73, 294816), (74, 290832), (83, 259296), (96, 224183), (111, 193888), (146, 147408), (148, 145416), (166, 129648), (219, 98272), (222, 96944), (249, 86432), (292, 73704), (296, 72708), (332, 64824), (438, 49136), (444, 48472), (498, 43216), (584, 36852), (592, 36354), (664, 32412), (876, 24568), (888, 24236), (996, 21608), (1168, 18426), (1184, 18177), (1328, 16206), (1752, 12284), (1776, 12118), (1992, 10804), (2336, 9213), (2656, 8103), (2701, 7968), (3071, 7008), (3504, 6142), (3552, 6059), (3984, 5402)]