21276448

素因数分解:

$2^5\times {\mathrm{541}}^1\times {\mathrm{1229}}^1$

素因数の和:1780

約数の個数: 24

約数和(自身を含む): 41999580

約数和(自身を除く): 20723132

約数列:

[1, 2, 4, 8, 16, 32, 541, 1082, 1229, 2164, 2458, 4328, 4916, 8656, 9832, 17312, 19664, 39328, 664889, 1329778, 2659556, 5319112, 10638224, 21276448]

約数ペア:

[(1, 21276448), (2, 10638224), (4, 5319112), (8, 2659556), (16, 1329778), (32, 664889), (541, 39328), (1082, 19664), (1229, 17312), (2164, 9832), (2458, 8656), (4328, 4916)]