21138464

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{9049}}^1$

素因数の和:9132

約数の個数: 24

約数和(自身を含む): 42191100

約数和(自身を除く): 21052636

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 292, 584, 1168, 2336, 9049, 18098, 36196, 72392, 144784, 289568, 660577, 1321154, 2642308, 5284616, 10569232, 21138464]

約数ペア:

[(1, 21138464), (2, 10569232), (4, 5284616), (8, 2642308), (16, 1321154), (32, 660577), (73, 289568), (146, 144784), (292, 72392), (584, 36196), (1168, 18098), (2336, 9049)]