21528870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65239}}^1$

素因数の和:65260

約数の個数: 32

約数和(自身を含む): 56367360

約数和(自身を除く): 34838490

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 65239, 130478, 195717, 326195, 391434, 652390, 717629, 978585, 1435258, 1957170, 2152887, 3588145, 4305774, 7176290, 10764435, 21528870]

約数ペア:

[(1, 21528870), (2, 10764435), (3, 7176290), (5, 4305774), (6, 3588145), (10, 2152887), (11, 1957170), (15, 1435258), (22, 978585), (30, 717629), (33, 652390), (55, 391434), (66, 326195), (110, 195717), (165, 130478), (330, 65239)]