21872656

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{8089}}^1$

素因数の和:8123

約数の個数: 30

約数和(自身を含む): 45894570

約数和(自身を除く): 24021914

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 8089, 16178, 32356, 64712, 105157, 129424, 210314, 420628, 841256, 1367041, 1682512, 2734082, 5468164, 10936328, 21872656]

約数ペア:

[(1, 21872656), (2, 10936328), (4, 5468164), (8, 2734082), (13, 1682512), (16, 1367041), (26, 841256), (52, 420628), (104, 210314), (169, 129424), (208, 105157), (338, 64712), (676, 32356), (1352, 16178), (2704, 8089)]