21818896

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{821}}^1$

素因数の和:991

約数の個数: 40

約数和(自身を含む): 46479168

約数和(自身を除く): 24660272

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 151, 176, 302, 604, 821, 1208, 1642, 1661, 2416, 3284, 3322, 6568, 6644, 9031, 13136, 13288, 18062, 26576, 36124, 72248, 123971, 144496, 247942, 495884, 991768, 1363681, 1983536, 2727362, 5454724, 10909448, 21818896]

約数ペア:

[(1, 21818896), (2, 10909448), (4, 5454724), (8, 2727362), (11, 1983536), (16, 1363681), (22, 991768), (44, 495884), (88, 247942), (151, 144496), (176, 123971), (302, 72248), (604, 36124), (821, 26576), (1208, 18062), (1642, 13288), (1661, 13136), (2416, 9031), (3284, 6644), (3322, 6568)]