21760310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15217}}^1$

素因数の和:15248

約数の個数: 32

約数和(自身を含む): 46019232

約数和(自身を除く): 24258922

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 15217, 30434, 76085, 152170, 167387, 197821, 334774, 395642, 836935, 989105, 1673870, 1978210, 2176031, 4352062, 10880155, 21760310]

約数ペア:

[(1, 21760310), (2, 10880155), (5, 4352062), (10, 2176031), (11, 1978210), (13, 1673870), (22, 989105), (26, 836935), (55, 395642), (65, 334774), (110, 197821), (130, 167387), (143, 152170), (286, 76085), (715, 30434), (1430, 15217)]