21404352

素因数分解:

$2^6\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 112

約数和(自身を含む): 61155072

約数和(自身を除く): 39750720

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 37, 46, 48, 64, 69, 74, 92, 96, 111, 131, 138, 148, 184, 192, 222, 262, 276, 296, 368, 393, 444, 524, 552, 592, 736, 786, 851, 888, 1048, 1104, 1184, 1472, 1572, 1702, 1776, 2096, 2208, 2368, 2553, 3013, 3144, 3404, 3552, 4192, 4416, 4847, 5106, 6026, 6288, 6808, 7104, 8384, 9039, 9694, 10212, 12052, 12576, 13616, 14541, 18078, 19388, 20424, 24104, 25152, 27232, 29082, 36156, 38776, 40848, 48208, 54464, 58164, 72312, 77552, 81696, 96416, 111481, 116328, 144624, 155104, 163392, 192832, 222962, 232656, 289248, 310208, 334443, 445924, 465312, 578496, 668886, 891848, 930624, 1337772, 1783696, 2675544, 3567392, 5351088, 7134784, 10702176, 21404352]

約数ペア:

[(1, 21404352), (2, 10702176), (3, 7134784), (4, 5351088), (6, 3567392), (8, 2675544), (12, 1783696), (16, 1337772), (23, 930624), (24, 891848), (32, 668886), (37, 578496), (46, 465312), (48, 445924), (64, 334443), (69, 310208), (74, 289248), (92, 232656), (96, 222962), (111, 192832), (131, 163392), (138, 155104), (148, 144624), (184, 116328), (192, 111481), (222, 96416), (262, 81696), (276, 77552), (296, 72312), (368, 58164), (393, 54464), (444, 48208), (524, 40848), (552, 38776), (592, 36156), (736, 29082), (786, 27232), (851, 25152), (888, 24104), (1048, 20424), (1104, 19388), (1184, 18078), (1472, 14541), (1572, 13616), (1702, 12576), (1776, 12052), (2096, 10212), (2208, 9694), (2368, 9039), (2553, 8384), (3013, 7104), (3144, 6808), (3404, 6288), (3552, 6026), (4192, 5106), (4416, 4847)]