21000929444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{584203}}^1$

素因数の和:584280

約数の個数: 48

約数和(自身を含む): 43184359680

約数和(自身を除く): 22183430236

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 172, 209, 418, 473, 817, 836, 946, 1634, 1892, 3268, 8987, 17974, 35948, 584203, 1168406, 2336812, 6426233, 11099857, 12852466, 22199714, 25120729, 25704932, 44399428, 50241458, 100482916, 122098427, 244196854, 276328019, 477293851, 488393708, 552656038, 954587702, 1105312076, 1909175404, 5250232361, 10500464722, 21000929444]

約数ペア:

[(1, 21000929444), (2, 10500464722), (4, 5250232361), (11, 1909175404), (19, 1105312076), (22, 954587702), (38, 552656038), (43, 488393708), (44, 477293851), (76, 276328019), (86, 244196854), (172, 122098427), (209, 100482916), (418, 50241458), (473, 44399428), (817, 25704932), (836, 25120729), (946, 22199714), (1634, 12852466), (1892, 11099857), (3268, 6426233), (8987, 2336812), (17974, 1168406), (35948, 584203)]