21482356

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{45131}}^1$

素因数の和:45159

約数の個数: 24

約数和(自身を含む): 45493056

約数和(自身を除く): 24010700

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 45131, 90262, 180524, 315917, 631834, 767227, 1263668, 1534454, 3068908, 5370589, 10741178, 21482356]

約数ペア:

[(1, 21482356), (2, 10741178), (4, 5370589), (7, 3068908), (14, 1534454), (17, 1263668), (28, 767227), (34, 631834), (68, 315917), (119, 180524), (238, 90262), (476, 45131)]