21364516

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1283}}^1$

素因数の和:1491

約数の個数: 24

約数和(自身を含む): 39259584

約数和(自身を除く): 17895068

約数列:

[1, 2, 4, 23, 46, 92, 181, 362, 724, 1283, 2566, 4163, 5132, 8326, 16652, 29509, 59018, 118036, 232223, 464446, 928892, 5341129, 10682258, 21364516]

約数ペア:

[(1, 21364516), (2, 10682258), (4, 5341129), (23, 928892), (46, 464446), (92, 232223), (181, 118036), (362, 59018), (724, 29509), (1283, 16652), (2566, 8326), (4163, 5132)]