21711144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9941}}^1$

素因数の和:9970

約数の個数: 64

約数和(自身を含む): 66810240

約数和(自身を除く): 45099096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9941, 19882, 29823, 39764, 59646, 69587, 79528, 119292, 129233, 139174, 208761, 238584, 258466, 278348, 387699, 417522, 516932, 556696, 775398, 835044, 904631, 1033864, 1550796, 1670088, 1809262, 2713893, 3101592, 3618524, 5427786, 7237048, 10855572, 21711144]

約数ペア:

[(1, 21711144), (2, 10855572), (3, 7237048), (4, 5427786), (6, 3618524), (7, 3101592), (8, 2713893), (12, 1809262), (13, 1670088), (14, 1550796), (21, 1033864), (24, 904631), (26, 835044), (28, 775398), (39, 556696), (42, 516932), (52, 417522), (56, 387699), (78, 278348), (84, 258466), (91, 238584), (104, 208761), (156, 139174), (168, 129233), (182, 119292), (273, 79528), (312, 69587), (364, 59646), (546, 39764), (728, 29823), (1092, 19882), (2184, 9941)]