21638310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 33104730

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 53, 62, 93, 106, 155, 159, 186, 265, 310, 318, 439, 465, 530, 795, 878, 930, 1317, 1590, 1643, 2195, 2634, 3286, 4390, 4929, 6585, 8215, 9858, 13170, 13609, 16430, 23267, 24645, 27218, 40827, 46534, 49290, 68045, 69801, 81654, 116335, 136090, 139602, 204135, 232670, 349005, 408270, 698010, 721277, 1442554, 2163831, 3606385, 4327662, 7212770, 10819155, 21638310]

約数ペア:

[(1, 21638310), (2, 10819155), (3, 7212770), (5, 4327662), (6, 3606385), (10, 2163831), (15, 1442554), (30, 721277), (31, 698010), (53, 408270), (62, 349005), (93, 232670), (106, 204135), (155, 139602), (159, 136090), (186, 116335), (265, 81654), (310, 69801), (318, 68045), (439, 49290), (465, 46534), (530, 40827), (795, 27218), (878, 24645), (930, 23267), (1317, 16430), (1590, 13609), (1643, 13170), (2195, 9858), (2634, 8215), (3286, 6585), (4390, 4929)]