21372368

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11821}}^1$

素因数の和:11942

約数の個数: 20

約数和(自身を含む): 41778948

約数和(自身を除く): 20406580

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11821, 23642, 47284, 94568, 189136, 1335773, 2671546, 5343092, 10686184, 21372368]

約数ペア:

[(1, 21372368), (2, 10686184), (4, 5343092), (8, 2671546), (16, 1335773), (113, 189136), (226, 94568), (452, 47284), (904, 23642), (1808, 11821)]