21645064

素因数分解:

$2^3\times 7^2\times {\mathrm{55217}}^1$

素因数の和:55237

約数の個数: 24

約数和(自身を含む): 47211390

約数和(自身を除く): 25566326

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 55217, 110434, 220868, 386519, 441736, 773038, 1546076, 2705633, 3092152, 5411266, 10822532, 21645064]

約数ペア:

[(1, 21645064), (2, 10822532), (4, 5411266), (7, 3092152), (8, 2705633), (14, 1546076), (28, 773038), (49, 441736), (56, 386519), (98, 220868), (196, 110434), (392, 55217)]