21097252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12959}}^1$

素因数の和:13011

約数の個数: 24

約数和(自身を含む): 41368320

約数和(自身を除く): 20271068

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12959, 25918, 51836, 142549, 285098, 479483, 570196, 958966, 1917932, 5274313, 10548626, 21097252]

約数ペア:

[(1, 21097252), (2, 10548626), (4, 5274313), (11, 1917932), (22, 958966), (37, 570196), (44, 479483), (74, 285098), (148, 142549), (407, 51836), (814, 25918), (1628, 12959)]