21020238722

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{457}}^1\times {\mathrm{587}}^1$

素因数の和:1275

約数の個数: 64

約数和(自身を含む): 37616382720

約数和(自身を除く): 16596143998

約数列:

[1, 2, 7, 14, 29, 58, 193, 203, 386, 406, 457, 587, 914, 1174, 1351, 2702, 3199, 4109, 5597, 6398, 8218, 11194, 13253, 17023, 26506, 34046, 39179, 78358, 88201, 92771, 113291, 119161, 176402, 185542, 226582, 238322, 268259, 536518, 617407, 793037, 1234814, 1586074, 1877813, 2557829, 3285439, 3755626, 5115658, 6570878, 7779511, 15559022, 17904803, 22998073, 35809606, 45996146, 51773987, 54456577, 103547974, 108913154, 362417909, 724835818, 1501445623, 3002891246, 10510119361, 21020238722]

約数ペア:

[(1, 21020238722), (2, 10510119361), (7, 3002891246), (14, 1501445623), (29, 724835818), (58, 362417909), (193, 108913154), (203, 103547974), (386, 54456577), (406, 51773987), (457, 45996146), (587, 35809606), (914, 22998073), (1174, 17904803), (1351, 15559022), (2702, 7779511), (3199, 6570878), (4109, 5115658), (5597, 3755626), (6398, 3285439), (8218, 2557829), (11194, 1877813), (13253, 1586074), (17023, 1234814), (26506, 793037), (34046, 617407), (39179, 536518), (78358, 268259), (88201, 238322), (92771, 226582), (113291, 185542), (119161, 176402)]