21106768

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9629}}^1$

素因数の和:9774

約数の個数: 20

約数和(自身を含む): 41197140

約数和(自身を除く): 20090372

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9629, 19258, 38516, 77032, 154064, 1319173, 2638346, 5276692, 10553384, 21106768]

約数ペア:

[(1, 21106768), (2, 10553384), (4, 5276692), (8, 2638346), (16, 1319173), (137, 154064), (274, 77032), (548, 38516), (1096, 19258), (2192, 9629)]