21868532

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{11657}}^1$

素因数の和:11735

約数の個数: 24

約数和(自身を含む): 44393664

約数和(自身を除く): 22525132

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 11657, 23314, 46628, 81599, 163198, 326396, 781019, 1562038, 3124076, 5467133, 10934266, 21868532]

約数ペア:

[(1, 21868532), (2, 10934266), (4, 5467133), (7, 3124076), (14, 1562038), (28, 781019), (67, 326396), (134, 163198), (268, 81599), (469, 46628), (938, 23314), (1876, 11657)]