21449202440

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2225021}}^1$

素因数の和:2225273

約数の個数: 32

約数和(自身を含む): 48460979160

約数和(自身を除く): 27011776720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 2225021, 4450042, 8900084, 11125105, 17800168, 22250210, 44500420, 89000840, 536230061, 1072460122, 2144920244, 2681150305, 4289840488, 5362300610, 10724601220, 21449202440]

約数ペア:

[(1, 21449202440), (2, 10724601220), (4, 5362300610), (5, 4289840488), (8, 2681150305), (10, 2144920244), (20, 1072460122), (40, 536230061), (241, 89000840), (482, 44500420), (964, 22250210), (1205, 17800168), (1928, 11125105), (2410, 8900084), (4820, 4450042), (9640, 2225021)]