21530826

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{7523}}^1$

素因数の和:7587

約数の個数: 32

約数和(自身を含む): 48755520

約数和(自身を除く): 27224694

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 106, 159, 318, 477, 954, 1431, 2862, 7523, 15046, 22569, 45138, 67707, 135414, 203121, 398719, 406242, 797438, 1196157, 2392314, 3588471, 7176942, 10765413, 21530826]

約数ペア:

[(1, 21530826), (2, 10765413), (3, 7176942), (6, 3588471), (9, 2392314), (18, 1196157), (27, 797438), (53, 406242), (54, 398719), (106, 203121), (159, 135414), (318, 67707), (477, 45138), (954, 22569), (1431, 15046), (2862, 7523)]