21973850

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{5563}}^1$

素因数の和:5654

約数の個数: 24

約数和(自身を含む): 41396160

約数和(自身を除く): 19422310

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 5563, 11126, 27815, 55630, 139075, 278150, 439477, 878954, 2197385, 4394770, 10986925, 21973850]

約数ペア:

[(1, 21973850), (2, 10986925), (5, 4394770), (10, 2197385), (25, 878954), (50, 439477), (79, 278150), (158, 139075), (395, 55630), (790, 27815), (1975, 11126), (3950, 5563)]