21544250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1$

素因数の和:984

約数の個数: 64

約数和(自身を含む): 49690368

約数和(自身を除く): 28146118

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 125, 130, 175, 182, 250, 325, 350, 455, 650, 875, 910, 947, 1625, 1750, 1894, 2275, 3250, 4550, 4735, 6629, 9470, 11375, 12311, 13258, 22750, 23675, 24622, 33145, 47350, 61555, 66290, 86177, 118375, 123110, 165725, 172354, 236750, 307775, 331450, 430885, 615550, 828625, 861770, 1538875, 1657250, 2154425, 3077750, 4308850, 10772125, 21544250]

約数ペア:

[(1, 21544250), (2, 10772125), (5, 4308850), (7, 3077750), (10, 2154425), (13, 1657250), (14, 1538875), (25, 861770), (26, 828625), (35, 615550), (50, 430885), (65, 331450), (70, 307775), (91, 236750), (125, 172354), (130, 165725), (175, 123110), (182, 118375), (250, 86177), (325, 66290), (350, 61555), (455, 47350), (650, 33145), (875, 24622), (910, 23675), (947, 22750), (1625, 13258), (1750, 12311), (1894, 11375), (2275, 9470), (3250, 6629), (4550, 4735)]