21927010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{613}}^1$

素因数の和:707

約数の個数: 48

約数和(自身を含む): 46617336

約数和(自身を除く): 24690326

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 73, 98, 146, 245, 365, 490, 511, 613, 730, 1022, 1226, 2555, 3065, 3577, 4291, 5110, 6130, 7154, 8582, 17885, 21455, 30037, 35770, 42910, 44749, 60074, 89498, 150185, 223745, 300370, 313243, 447490, 626486, 1566215, 2192701, 3132430, 4385402, 10963505, 21927010]

約数ペア:

[(1, 21927010), (2, 10963505), (5, 4385402), (7, 3132430), (10, 2192701), (14, 1566215), (35, 626486), (49, 447490), (70, 313243), (73, 300370), (98, 223745), (146, 150185), (245, 89498), (365, 60074), (490, 44749), (511, 42910), (613, 35770), (730, 30037), (1022, 21455), (1226, 17885), (2555, 8582), (3065, 7154), (3577, 6130), (4291, 5110)]