21412950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 58329600

約数和(自身を除く): 36916650

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 79, 130, 139, 150, 158, 195, 237, 278, 325, 390, 395, 417, 474, 650, 695, 790, 834, 975, 1027, 1185, 1390, 1807, 1950, 1975, 2054, 2085, 2370, 3081, 3475, 3614, 3950, 4170, 5135, 5421, 5925, 6162, 6950, 9035, 10270, 10425, 10842, 10981, 11850, 15405, 18070, 20850, 21962, 25675, 27105, 30810, 32943, 45175, 51350, 54210, 54905, 65886, 77025, 90350, 109810, 135525, 142753, 154050, 164715, 271050, 274525, 285506, 329430, 428259, 549050, 713765, 823575, 856518, 1427530, 1647150, 2141295, 3568825, 4282590, 7137650, 10706475, 21412950]

約数ペア:

[(1, 21412950), (2, 10706475), (3, 7137650), (5, 4282590), (6, 3568825), (10, 2141295), (13, 1647150), (15, 1427530), (25, 856518), (26, 823575), (30, 713765), (39, 549050), (50, 428259), (65, 329430), (75, 285506), (78, 274525), (79, 271050), (130, 164715), (139, 154050), (150, 142753), (158, 135525), (195, 109810), (237, 90350), (278, 77025), (325, 65886), (390, 54905), (395, 54210), (417, 51350), (474, 45175), (650, 32943), (695, 30810), (790, 27105), (834, 25675), (975, 21962), (1027, 20850), (1185, 18070), (1390, 15405), (1807, 11850), (1950, 10981), (1975, 10842), (2054, 10425), (2085, 10270), (2370, 9035), (3081, 6950), (3475, 6162), (3614, 5925), (3950, 5421), (4170, 5135)]