21803650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1367}}^1$

素因数の和:1419

約数の個数: 48

約数和(自身を含む): 45800640

約数和(自身を除く): 23996990

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 110, 145, 275, 290, 319, 550, 638, 725, 1367, 1450, 1595, 2734, 3190, 6835, 7975, 13670, 15037, 15950, 30074, 34175, 39643, 68350, 75185, 79286, 150370, 198215, 375925, 396430, 436073, 751850, 872146, 991075, 1982150, 2180365, 4360730, 10901825, 21803650]

約数ペア:

[(1, 21803650), (2, 10901825), (5, 4360730), (10, 2180365), (11, 1982150), (22, 991075), (25, 872146), (29, 751850), (50, 436073), (55, 396430), (58, 375925), (110, 198215), (145, 150370), (275, 79286), (290, 75185), (319, 68350), (550, 39643), (638, 34175), (725, 30074), (1367, 15950), (1450, 15037), (1595, 13670), (2734, 7975), (3190, 6835)]