21162768

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 60264000

約数和(自身を除く): 39101232

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 149, 176, 264, 269, 298, 447, 528, 538, 596, 807, 894, 1076, 1192, 1614, 1639, 1788, 2152, 2384, 2959, 3228, 3278, 3576, 4304, 4917, 5918, 6456, 6556, 7152, 8877, 9834, 11836, 12912, 13112, 17754, 19668, 23672, 26224, 35508, 39336, 40081, 47344, 71016, 78672, 80162, 120243, 142032, 160324, 240486, 320648, 440891, 480972, 641296, 881782, 961944, 1322673, 1763564, 1923888, 2645346, 3527128, 5290692, 7054256, 10581384, 21162768]

約数ペア:

[(1, 21162768), (2, 10581384), (3, 7054256), (4, 5290692), (6, 3527128), (8, 2645346), (11, 1923888), (12, 1763564), (16, 1322673), (22, 961944), (24, 881782), (33, 641296), (44, 480972), (48, 440891), (66, 320648), (88, 240486), (132, 160324), (149, 142032), (176, 120243), (264, 80162), (269, 78672), (298, 71016), (447, 47344), (528, 40081), (538, 39336), (596, 35508), (807, 26224), (894, 23672), (1076, 19668), (1192, 17754), (1614, 13112), (1639, 12912), (1788, 11836), (2152, 9834), (2384, 8877), (2959, 7152), (3228, 6556), (3278, 6456), (3576, 5918), (4304, 4917)]