21866368

素因数分解:

$2^7\times {\mathrm{139}}^1\times {\mathrm{1229}}^1$

素因数の和:1382

約数の個数: 32

約数和(自身を含む): 43911000

約数和(自身を除く): 22044632

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 278, 556, 1112, 1229, 2224, 2458, 4448, 4916, 8896, 9832, 17792, 19664, 39328, 78656, 157312, 170831, 341662, 683324, 1366648, 2733296, 5466592, 10933184, 21866368]

約数ペア:

[(1, 21866368), (2, 10933184), (4, 5466592), (8, 2733296), (16, 1366648), (32, 683324), (64, 341662), (128, 170831), (139, 157312), (278, 78656), (556, 39328), (1112, 19664), (1229, 17792), (2224, 9832), (2458, 8896), (4448, 4916)]