21536476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{4021}}^1$

素因数の和:4141

約数の個数: 24

約数和(自身を含む): 40992224

約数和(自身を除く): 19455748

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 4021, 5356, 8042, 16084, 52273, 104546, 209092, 414163, 828326, 1656652, 5384119, 10768238, 21536476]

約数ペア:

[(1, 21536476), (2, 10768238), (4, 5384119), (13, 1656652), (26, 828326), (52, 414163), (103, 209092), (206, 104546), (412, 52273), (1339, 16084), (2678, 8042), (4021, 5356)]