21953160

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{20327}}^1$

素因数の和:20347

約数の個数: 64

約数和(自身を含む): 73180800

約数和(自身を除く): 51227640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 20327, 40654, 60981, 81308, 101635, 121962, 162616, 182943, 203270, 243924, 304905, 365886, 406540, 487848, 548829, 609810, 731772, 813080, 914715, 1097658, 1219620, 1463544, 1829430, 2195316, 2439240, 2744145, 3658860, 4390632, 5488290, 7317720, 10976580, 21953160]

約数ペア:

[(1, 21953160), (2, 10976580), (3, 7317720), (4, 5488290), (5, 4390632), (6, 3658860), (8, 2744145), (9, 2439240), (10, 2195316), (12, 1829430), (15, 1463544), (18, 1219620), (20, 1097658), (24, 914715), (27, 813080), (30, 731772), (36, 609810), (40, 548829), (45, 487848), (54, 406540), (60, 365886), (72, 304905), (90, 243924), (108, 203270), (120, 182943), (135, 162616), (180, 121962), (216, 101635), (270, 81308), (360, 60981), (540, 40654), (1080, 20327)]