21645736

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4657}}^1$

素因数の和:4753

約数の個数: 32

約数和(自身を含む): 46952640

約数和(自身を除く): 25306904

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4648, 4657, 9314, 18628, 32599, 37256, 65198, 130396, 260792, 386531, 773062, 1546124, 2705717, 3092248, 5411434, 10822868, 21645736]

約数ペア:

[(1, 21645736), (2, 10822868), (4, 5411434), (7, 3092248), (8, 2705717), (14, 1546124), (28, 773062), (56, 386531), (83, 260792), (166, 130396), (332, 65198), (581, 37256), (664, 32599), (1162, 18628), (2324, 9314), (4648, 4657)]