21625870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1069}}^1$

素因数の和:1117

約数の個数: 48

約数和(自身を含む): 47302560

約数和(自身を除く): 25676690

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 289, 578, 595, 1069, 1190, 1445, 2023, 2138, 2890, 4046, 5345, 7483, 10115, 10690, 14966, 18173, 20230, 36346, 37415, 74830, 90865, 127211, 181730, 254422, 308941, 617882, 636055, 1272110, 1544705, 2162587, 3089410, 4325174, 10812935, 21625870]

約数ペア:

[(1, 21625870), (2, 10812935), (5, 4325174), (7, 3089410), (10, 2162587), (14, 1544705), (17, 1272110), (34, 636055), (35, 617882), (70, 308941), (85, 254422), (119, 181730), (170, 127211), (238, 90865), (289, 74830), (578, 37415), (595, 36346), (1069, 20230), (1190, 18173), (1445, 14966), (2023, 10690), (2138, 10115), (2890, 7483), (4046, 5345)]