21135752

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12641}}^1$

素因数の和:12677

約数の個数: 32

約数和(自身を含む): 45511200

約数和(自身を除く): 24375448

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12641, 25282, 50564, 101128, 139051, 240179, 278102, 480358, 556204, 960716, 1112408, 1921432, 2641969, 5283938, 10567876, 21135752]

約数ペア:

[(1, 21135752), (2, 10567876), (4, 5283938), (8, 2641969), (11, 1921432), (19, 1112408), (22, 960716), (38, 556204), (44, 480358), (76, 278102), (88, 240179), (152, 139051), (209, 101128), (418, 50564), (836, 25282), (1672, 12641)]