21356551645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{150097}}^1$

素因数の和:150325

約数の個数: 32

約数和(自身を含む): 30259756800

約数和(自身を除く): 8903205155

約数列:

[1, 5, 11, 13, 55, 65, 143, 199, 715, 995, 2189, 2587, 10945, 12935, 28457, 142285, 150097, 750485, 1651067, 1951261, 8255335, 9756305, 21463871, 29869303, 107319355, 149346515, 328562333, 388300939, 1642811665, 1941504695, 4271310329, 21356551645]

約数ペア:

[(1, 21356551645), (5, 4271310329), (11, 1941504695), (13, 1642811665), (55, 388300939), (65, 328562333), (143, 149346515), (199, 107319355), (715, 29869303), (995, 21463871), (2189, 9756305), (2587, 8255335), (10945, 1951261), (12935, 1651067), (28457, 750485), (142285, 150097)]