21823060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1607}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 52948224

約数和(自身を除く): 31125164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1607, 1940, 2716, 3214, 3395, 6428, 6790, 8035, 11249, 13580, 16070, 22498, 32140, 44996, 56245, 112490, 155879, 224980, 311758, 623516, 779395, 1091153, 1558790, 2182306, 3117580, 4364612, 5455765, 10911530, 21823060]

約数ペア:

[(1, 21823060), (2, 10911530), (4, 5455765), (5, 4364612), (7, 3117580), (10, 2182306), (14, 1558790), (20, 1091153), (28, 779395), (35, 623516), (70, 311758), (97, 224980), (140, 155879), (194, 112490), (388, 56245), (485, 44996), (679, 32140), (970, 22498), (1358, 16070), (1607, 13580), (1940, 11249), (2716, 8035), (3214, 6790), (3395, 6428)]