21283074

素因数分解:

$2^1\times 3^4\times {\mathrm{79}}^1\times {\mathrm{1663}}^1$

素因数の和:1756

約数の個数: 40

約数和(自身を含む): 48322560

約数和(自身を除く): 27039486

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 81, 158, 162, 237, 474, 711, 1422, 1663, 2133, 3326, 4266, 4989, 6399, 9978, 12798, 14967, 29934, 44901, 89802, 131377, 134703, 262754, 269406, 394131, 788262, 1182393, 2364786, 3547179, 7094358, 10641537, 21283074]

約数ペア:

[(1, 21283074), (2, 10641537), (3, 7094358), (6, 3547179), (9, 2364786), (18, 1182393), (27, 788262), (54, 394131), (79, 269406), (81, 262754), (158, 134703), (162, 131377), (237, 89802), (474, 44901), (711, 29934), (1422, 14967), (1663, 12798), (2133, 9978), (3326, 6399), (4266, 4989)]