21000604432

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{136481}}^1$

素因数の和:136711

約数の個数: 40

約数和(自身を含む): 41632469280

約数和(自身を除く): 20631864848

約数列:

[1, 2, 4, 8, 16, 59, 118, 163, 236, 326, 472, 652, 944, 1304, 2608, 9617, 19234, 38468, 76936, 136481, 153872, 272962, 545924, 1091848, 2183696, 8052379, 16104758, 22246403, 32209516, 44492806, 64419032, 88985612, 128838064, 177971224, 355942448, 1312537777, 2625075554, 5250151108, 10500302216, 21000604432]

約数ペア:

[(1, 21000604432), (2, 10500302216), (4, 5250151108), (8, 2625075554), (16, 1312537777), (59, 355942448), (118, 177971224), (163, 128838064), (236, 88985612), (326, 64419032), (472, 44492806), (652, 32209516), (944, 22246403), (1304, 16104758), (2608, 8052379), (9617, 2183696), (19234, 1091848), (38468, 545924), (76936, 272962), (136481, 153872)]