21000655186

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1063109}}^1$

素因数の和:1063218

約数の個数: 32

約数和(自身を含む): 38578135680

約数和(自身を除く): 17577480494

約数列:

[1, 2, 7, 14, 17, 34, 83, 119, 166, 238, 581, 1162, 1411, 2822, 9877, 19754, 1063109, 2126218, 7441763, 14883526, 18072853, 36145706, 88238047, 126509971, 176476094, 253019942, 617666329, 1235332658, 1500046799, 3000093598, 10500327593, 21000655186]

約数ペア:

[(1, 21000655186), (2, 10500327593), (7, 3000093598), (14, 1500046799), (17, 1235332658), (34, 617666329), (83, 253019942), (119, 176476094), (166, 126509971), (238, 88238047), (581, 36145706), (1162, 18072853), (1411, 14883526), (2822, 7441763), (9877, 2126218), (19754, 1063109)]