21283420016

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1063}}^1\times {\mathrm{1091}}^1$

素因数の和:2230

約数の個数: 80

約数和(自身を含む): 43798530048

約数和(自身を除く): 22515110032

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 496, 592, 1063, 1091, 1147, 2126, 2182, 2294, 4252, 4364, 4588, 8504, 8728, 9176, 17008, 17456, 18352, 32953, 33821, 39331, 40367, 65906, 67642, 78662, 80734, 131812, 135284, 157324, 161468, 263624, 270568, 314648, 322936, 527248, 541136, 629296, 645872, 1159733, 1219261, 1251377, 2319466, 2438522, 2502754, 4638932, 4877044, 5005508, 9277864, 9754088, 10011016, 18555728, 19508176, 20022032, 35951723, 42910121, 71903446, 85820242, 143806892, 171640484, 287613784, 343280968, 575227568, 686561936, 1330213751, 2660427502, 5320855004, 10641710008, 21283420016]

約数ペア:

[(1, 21283420016), (2, 10641710008), (4, 5320855004), (8, 2660427502), (16, 1330213751), (31, 686561936), (37, 575227568), (62, 343280968), (74, 287613784), (124, 171640484), (148, 143806892), (248, 85820242), (296, 71903446), (496, 42910121), (592, 35951723), (1063, 20022032), (1091, 19508176), (1147, 18555728), (2126, 10011016), (2182, 9754088), (2294, 9277864), (4252, 5005508), (4364, 4877044), (4588, 4638932), (8504, 2502754), (8728, 2438522), (9176, 2319466), (17008, 1251377), (17456, 1219261), (18352, 1159733), (32953, 645872), (33821, 629296), (39331, 541136), (40367, 527248), (65906, 322936), (67642, 314648), (78662, 270568), (80734, 263624), (131812, 161468), (135284, 157324)]