21188432

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{16763}}^1$

素因数の和:16850

約数の個数: 20

約数和(自身を含む): 41574720

約数和(自身を除く): 20386288

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 16763, 33526, 67052, 134104, 268208, 1324277, 2648554, 5297108, 10594216, 21188432]

約数ペア:

[(1, 21188432), (2, 10594216), (4, 5297108), (8, 2648554), (16, 1324277), (79, 268208), (158, 134104), (316, 67052), (632, 33526), (1264, 16763)]