21993012

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{6569}}^1$

素因数の和:6613

約数の個数: 48

約数和(自身を含む): 58867200

約数和(自身を除く): 36874188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 279, 372, 558, 837, 1116, 1674, 3348, 6569, 13138, 19707, 26276, 39414, 59121, 78828, 118242, 177363, 203639, 236484, 354726, 407278, 610917, 709452, 814556, 1221834, 1832751, 2443668, 3665502, 5498253, 7331004, 10996506, 21993012]

約数ペア:

[(1, 21993012), (2, 10996506), (3, 7331004), (4, 5498253), (6, 3665502), (9, 2443668), (12, 1832751), (18, 1221834), (27, 814556), (31, 709452), (36, 610917), (54, 407278), (62, 354726), (93, 236484), (108, 203639), (124, 177363), (186, 118242), (279, 78828), (372, 59121), (558, 39414), (837, 26276), (1116, 19707), (1674, 13138), (3348, 6569)]