21095935

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 30248064

約数和(自身を除く): 9152129

約数列:

[1, 5, 7, 35, 41, 61, 205, 241, 287, 305, 427, 1205, 1435, 1687, 2135, 2501, 8435, 9881, 12505, 14701, 17507, 49405, 69167, 73505, 87535, 102907, 345835, 514535, 602741, 3013705, 4219187, 21095935]

約数ペア:

[(1, 21095935), (5, 4219187), (7, 3013705), (35, 602741), (41, 514535), (61, 345835), (205, 102907), (241, 87535), (287, 73505), (305, 69167), (427, 49405), (1205, 17507), (1435, 14701), (1687, 12505), (2135, 9881), (2501, 8435)]