21285250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{12163}}^1$

素因数の和:12187

約数の個数: 32

約数和(自身を含む): 45542016

約数和(自身を除く): 24256766

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, 1750, 12163, 24326, 60815, 85141, 121630, 170282, 304075, 425705, 608150, 851410, 1520375, 2128525, 3040750, 4257050, 10642625, 21285250]

約数ペア:

[(1, 21285250), (2, 10642625), (5, 4257050), (7, 3040750), (10, 2128525), (14, 1520375), (25, 851410), (35, 608150), (50, 425705), (70, 304075), (125, 170282), (175, 121630), (250, 85141), (350, 60815), (875, 24326), (1750, 12163)]