21472346665

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{70867}}^1$

素因数の和:71677

約数の個数: 32

約数和(自身を含む): 32166134784

約数和(自身を除く): 10693788119

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 787, 3935, 5509, 8657, 27545, 43285, 60599, 70867, 302995, 354335, 496069, 779537, 2480345, 3897685, 5456759, 27283795, 55772329, 278861645, 390406303, 613495619, 1952031515, 3067478095, 4294469333, 21472346665]

約数ペア:

[(1, 21472346665), (5, 4294469333), (7, 3067478095), (11, 1952031515), (35, 613495619), (55, 390406303), (77, 278861645), (385, 55772329), (787, 27283795), (3935, 5456759), (5509, 3897685), (8657, 2480345), (27545, 779537), (43285, 496069), (60599, 354335), (70867, 302995)]