21684518

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1\times {\mathrm{811}}^1$

素因数の和:1303

約数の個数: 16

約数和(自身を含む): 33762960

約数和(自身を除く): 12078442

約数列:

[1, 2, 29, 58, 461, 811, 922, 1622, 13369, 23519, 26738, 47038, 373871, 747742, 10842259, 21684518]

約数ペア:

[(1, 21684518), (2, 10842259), (29, 747742), (58, 373871), (461, 47038), (811, 26738), (922, 23519), (1622, 13369)]