21553612

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2617}}^1$

素因数の和:2721

約数の個数: 24

約数和(自身を含む): 39584160

約数和(自身を除く): 18030548

約数列:

[1, 2, 4, 29, 58, 71, 116, 142, 284, 2059, 2617, 4118, 5234, 8236, 10468, 75893, 151786, 185807, 303572, 371614, 743228, 5388403, 10776806, 21553612]

約数ペア:

[(1, 21553612), (2, 10776806), (4, 5388403), (29, 743228), (58, 371614), (71, 303572), (116, 185807), (142, 151786), (284, 75893), (2059, 10468), (2617, 8236), (4118, 5234)]