21916380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11783}}^1$

素因数の和:11826

約数の個数: 48

約数和(自身を含む): 63350784

約数和(自身を除く): 41434404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11783, 23566, 35349, 47132, 58915, 70698, 117830, 141396, 176745, 235660, 353490, 365273, 706980, 730546, 1095819, 1461092, 1826365, 2191638, 3652730, 4383276, 5479095, 7305460, 10958190, 21916380]

約数ペア:

[(1, 21916380), (2, 10958190), (3, 7305460), (4, 5479095), (5, 4383276), (6, 3652730), (10, 2191638), (12, 1826365), (15, 1461092), (20, 1095819), (30, 730546), (31, 706980), (60, 365273), (62, 353490), (93, 235660), (124, 176745), (155, 141396), (186, 117830), (310, 70698), (372, 58915), (465, 47132), (620, 35349), (930, 23566), (1860, 11783)]