21800358

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{373}}^1$

素因数の和:589

約数の個数: 48

約数和(自身を含む): 50409216

約数和(自身を除く): 28608858

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 191, 306, 373, 382, 573, 746, 1119, 1146, 1719, 2238, 3247, 3357, 3438, 6341, 6494, 6714, 9741, 12682, 19023, 19482, 29223, 38046, 57069, 58446, 71243, 114138, 142486, 213729, 427458, 641187, 1211131, 1282374, 2422262, 3633393, 7266786, 10900179, 21800358]

約数ペア:

[(1, 21800358), (2, 10900179), (3, 7266786), (6, 3633393), (9, 2422262), (17, 1282374), (18, 1211131), (34, 641187), (51, 427458), (102, 213729), (153, 142486), (191, 114138), (306, 71243), (373, 58446), (382, 57069), (573, 38046), (746, 29223), (1119, 19482), (1146, 19023), (1719, 12682), (2238, 9741), (3247, 6714), (3357, 6494), (3438, 6341)]