21103248

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{5297}}^1$

素因数の和:5391

約数の個数: 40

約数和(自身を含む): 55183968

約数和(自身を除く): 34080720

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 249, 332, 498, 664, 996, 1328, 1992, 3984, 5297, 10594, 15891, 21188, 31782, 42376, 63564, 84752, 127128, 254256, 439651, 879302, 1318953, 1758604, 2637906, 3517208, 5275812, 7034416, 10551624, 21103248]

約数ペア:

[(1, 21103248), (2, 10551624), (3, 7034416), (4, 5275812), (6, 3517208), (8, 2637906), (12, 1758604), (16, 1318953), (24, 879302), (48, 439651), (83, 254256), (166, 127128), (249, 84752), (332, 63564), (498, 42376), (664, 31782), (996, 21188), (1328, 15891), (1992, 10594), (3984, 5297)]