21054966

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 22283274

約数列:

[1, 2, 3, 6, 47, 94, 141, 197, 282, 379, 394, 591, 758, 1137, 1182, 2274, 9259, 17813, 18518, 27777, 35626, 53439, 55554, 74663, 106878, 149326, 223989, 447978, 3509161, 7018322, 10527483, 21054966]

約数ペア:

[(1, 21054966), (2, 10527483), (3, 7018322), (6, 3509161), (47, 447978), (94, 223989), (141, 149326), (197, 106878), (282, 74663), (379, 55554), (394, 53439), (591, 35626), (758, 27777), (1137, 18518), (1182, 17813), (2274, 9259)]