21261730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1051}}^1$

素因数の和:1099

約数の個数: 48

約数和(自身を含む): 46506816

約数和(自身を除く): 25245086

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 289, 578, 595, 1051, 1190, 1445, 2023, 2102, 2890, 4046, 5255, 7357, 10115, 10510, 14714, 17867, 20230, 35734, 36785, 73570, 89335, 125069, 178670, 250138, 303739, 607478, 625345, 1250690, 1518695, 2126173, 3037390, 4252346, 10630865, 21261730]

約数ペア:

[(1, 21261730), (2, 10630865), (5, 4252346), (7, 3037390), (10, 2126173), (14, 1518695), (17, 1250690), (34, 625345), (35, 607478), (70, 303739), (85, 250138), (119, 178670), (170, 125069), (238, 89335), (289, 73570), (578, 36785), (595, 35734), (1051, 20230), (1190, 17867), (1445, 14714), (2023, 10510), (2102, 10115), (2890, 7357), (4046, 5255)]