21637772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9677}}^1$

素因数の和:9737

約数の個数: 24

約数和(自身を含む): 41731536

約数和(自身を除く): 20093764

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 9677, 19354, 38708, 125801, 251602, 416111, 503204, 832222, 1664444, 5409443, 10818886, 21637772]

約数ペア:

[(1, 21637772), (2, 10818886), (4, 5409443), (13, 1664444), (26, 832222), (43, 503204), (52, 416111), (86, 251602), (172, 125801), (559, 38708), (1118, 19354), (2236, 9677)]