21433580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{21871}}^1$

素因数の和:21894

約数の個数: 36

約数和(自身を含む): 52361568

約数和(自身を除く): 30927988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 21871, 43742, 87484, 109355, 153097, 218710, 306194, 437420, 612388, 765485, 1071679, 1530970, 2143358, 3061940, 4286716, 5358395, 10716790, 21433580]

約数ペア:

[(1, 21433580), (2, 10716790), (4, 5358395), (5, 4286716), (7, 3061940), (10, 2143358), (14, 1530970), (20, 1071679), (28, 765485), (35, 612388), (49, 437420), (70, 306194), (98, 218710), (140, 153097), (196, 109355), (245, 87484), (490, 43742), (980, 21871)]