21370744

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2383}}^1$

素因数の和:2467

約数の個数: 32

約数和(自身を含む): 42912000

約数和(自身を除く): 21541256

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 118, 152, 236, 472, 1121, 2242, 2383, 4484, 4766, 8968, 9532, 19064, 45277, 90554, 140597, 181108, 281194, 362216, 562388, 1124776, 2671343, 5342686, 10685372, 21370744]

約数ペア:

[(1, 21370744), (2, 10685372), (4, 5342686), (8, 2671343), (19, 1124776), (38, 562388), (59, 362216), (76, 281194), (118, 181108), (152, 140597), (236, 90554), (472, 45277), (1121, 19064), (2242, 9532), (2383, 8968), (4484, 4766)]