21023535

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{823}}^1$

素因数の和:975

約数の個数: 32

約数和(自身を含む): 36546048

約数和(自身を除く): 15522513

約数列:

[1, 3, 5, 13, 15, 39, 65, 131, 195, 393, 655, 823, 1703, 1965, 2469, 4115, 5109, 8515, 10699, 12345, 25545, 32097, 53495, 107813, 160485, 323439, 539065, 1401569, 1617195, 4204707, 7007845, 21023535]

約数ペア:

[(1, 21023535), (3, 7007845), (5, 4204707), (13, 1617195), (15, 1401569), (39, 539065), (65, 323439), (131, 160485), (195, 107813), (393, 53495), (655, 32097), (823, 25545), (1703, 12345), (1965, 10699), (2469, 8515), (4115, 5109)]