21162010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{877}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 40458240

約数和(自身を除く): 19296230

約数列:

[1, 2, 5, 10, 19, 38, 95, 127, 190, 254, 635, 877, 1270, 1754, 2413, 4385, 4826, 8770, 12065, 16663, 24130, 33326, 83315, 111379, 166630, 222758, 556895, 1113790, 2116201, 4232402, 10581005, 21162010]

約数ペア:

[(1, 21162010), (2, 10581005), (5, 4232402), (10, 2116201), (19, 1113790), (38, 556895), (95, 222758), (127, 166630), (190, 111379), (254, 83315), (635, 33326), (877, 24130), (1270, 16663), (1754, 12065), (2413, 8770), (4385, 4826)]