21000742022

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{15031}}^1$

素因数の和:15201

約数の個数: 64

約数和(自身を含む): 37501833600

約数和(自身を除く): 16501091578

約数列:

[1, 2, 13, 17, 26, 29, 34, 58, 109, 218, 221, 377, 442, 493, 754, 986, 1417, 1853, 2834, 3161, 3706, 6322, 6409, 12818, 15031, 24089, 30062, 41093, 48178, 53737, 82186, 107474, 195403, 255527, 390806, 435899, 511054, 698581, 871798, 1397162, 1638379, 3276758, 3321851, 5666687, 6643702, 7410283, 11333374, 14820566, 21298927, 27852443, 42597854, 47512991, 55704886, 95025982, 96333679, 192667358, 362081759, 617668883, 724163518, 807720847, 1235337766, 1615441694, 10500371011, 21000742022]

約数ペア:

[(1, 21000742022), (2, 10500371011), (13, 1615441694), (17, 1235337766), (26, 807720847), (29, 724163518), (34, 617668883), (58, 362081759), (109, 192667358), (218, 96333679), (221, 95025982), (377, 55704886), (442, 47512991), (493, 42597854), (754, 27852443), (986, 21298927), (1417, 14820566), (1853, 11333374), (2834, 7410283), (3161, 6643702), (3706, 5666687), (6322, 3321851), (6409, 3276758), (12818, 1638379), (15031, 1397162), (24089, 871798), (30062, 698581), (41093, 511054), (48178, 435899), (53737, 390806), (82186, 255527), (107474, 195403)]