21508712432

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{359}}^1\times {\mathrm{63467}}^1$

素因数の和:63893

約数の個数: 40

約数和(自身を含む): 42498172800

約数和(自身を除く): 20989460368

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 359, 472, 718, 944, 1436, 2872, 5744, 21181, 42362, 63467, 84724, 126934, 169448, 253868, 338896, 507736, 1015472, 3744553, 7489106, 14978212, 22784653, 29956424, 45569306, 59912848, 91138612, 182277224, 364554448, 1344294527, 2688589054, 5377178108, 10754356216, 21508712432]

約数ペア:

[(1, 21508712432), (2, 10754356216), (4, 5377178108), (8, 2688589054), (16, 1344294527), (59, 364554448), (118, 182277224), (236, 91138612), (359, 59912848), (472, 45569306), (718, 29956424), (944, 22784653), (1436, 14978212), (2872, 7489106), (5744, 3744553), (21181, 1015472), (42362, 507736), (63467, 338896), (84724, 253868), (126934, 169448)]