21869068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{6277}}^1$

素因数の和:6361

約数の個数: 24

約数和(自身を含む): 41836592

約数和(自身を除く): 19967524

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 6277, 12554, 25108, 81601, 163202, 326404, 420559, 841118, 1682236, 5467267, 10934534, 21869068]

約数ペア:

[(1, 21869068), (2, 10934534), (4, 5467267), (13, 1682236), (26, 841118), (52, 420559), (67, 326404), (134, 163202), (268, 81601), (871, 25108), (1742, 12554), (3484, 6277)]