21114990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18047}}^1$

素因数の和:18073

約数の個数: 48

約数和(自身を含む): 59125248

約数和(自身を除く): 38010258

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18047, 36094, 54141, 90235, 108282, 162423, 180470, 234611, 270705, 324846, 469222, 541410, 703833, 812115, 1173055, 1407666, 1624230, 2111499, 2346110, 3519165, 4222998, 7038330, 10557495, 21114990]

約数ペア:

[(1, 21114990), (2, 10557495), (3, 7038330), (5, 4222998), (6, 3519165), (9, 2346110), (10, 2111499), (13, 1624230), (15, 1407666), (18, 1173055), (26, 812115), (30, 703833), (39, 541410), (45, 469222), (65, 324846), (78, 270705), (90, 234611), (117, 180470), (130, 162423), (195, 108282), (234, 90235), (390, 54141), (585, 36094), (1170, 18047)]