21282768

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{11369}}^1$

素因数の和:11396

約数の個数: 60

約数和(自身を含む): 64149540

約数和(自身を除く): 42866772

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 11369, 22738, 34107, 45476, 68214, 90952, 102321, 136428, 147797, 181904, 204642, 272856, 295594, 409284, 443391, 545712, 591188, 818568, 886782, 1182376, 1330173, 1637136, 1773564, 2364752, 2660346, 3547128, 5320692, 7094256, 10641384, 21282768]

約数ペア:

[(1, 21282768), (2, 10641384), (3, 7094256), (4, 5320692), (6, 3547128), (8, 2660346), (9, 2364752), (12, 1773564), (13, 1637136), (16, 1330173), (18, 1182376), (24, 886782), (26, 818568), (36, 591188), (39, 545712), (48, 443391), (52, 409284), (72, 295594), (78, 272856), (104, 204642), (117, 181904), (144, 147797), (156, 136428), (208, 102321), (234, 90952), (312, 68214), (468, 45476), (624, 34107), (936, 22738), (1872, 11369)]