21765452

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{659}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 39916800

約数和(自身を除く): 18151348

約数列:

[1, 2, 4, 23, 46, 92, 359, 659, 718, 1318, 1436, 2636, 8257, 15157, 16514, 30314, 33028, 60628, 236581, 473162, 946324, 5441363, 10882726, 21765452]

約数ペア:

[(1, 21765452), (2, 10882726), (4, 5441363), (23, 946324), (46, 473162), (92, 236581), (359, 60628), (659, 33028), (718, 30314), (1318, 16514), (1436, 15157), (2636, 8257)]