21811204

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8669}}^1$

素因数の和:8727

約数の個数: 24

約数和(自身を含む): 41511960

約数和(自身を除く): 19700756

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8669, 17338, 34676, 147373, 294746, 320753, 589492, 641506, 1283012, 5452801, 10905602, 21811204]

約数ペア:

[(1, 21811204), (2, 10905602), (4, 5452801), (17, 1283012), (34, 641506), (37, 589492), (68, 320753), (74, 294746), (148, 147373), (629, 34676), (1258, 17338), (2516, 8669)]