21043470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{100207}}^1$

素因数の和:100224

約数の個数: 32

約数和(自身を含む): 57719808

約数和(自身を除く): 36676338

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 100207, 200414, 300621, 501035, 601242, 701449, 1002070, 1402898, 1503105, 2104347, 3006210, 3507245, 4208694, 7014490, 10521735, 21043470]

約数ペア:

[(1, 21043470), (2, 10521735), (3, 7014490), (5, 4208694), (6, 3507245), (7, 3006210), (10, 2104347), (14, 1503105), (15, 1402898), (21, 1002070), (30, 701449), (35, 601242), (42, 501035), (70, 300621), (105, 200414), (210, 100207)]