21053754

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{6761}}^1$

素因数の和:6942

約数の個数: 24

約数和(自身を含む): 45886932

約数和(自身を除く): 24833178

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 6761, 13522, 20283, 40566, 60849, 121698, 1169653, 2339306, 3508959, 7017918, 10526877, 21053754]

約数ペア:

[(1, 21053754), (2, 10526877), (3, 7017918), (6, 3508959), (9, 2339306), (18, 1169653), (173, 121698), (346, 60849), (519, 40566), (1038, 20283), (1557, 13522), (3114, 6761)]