21310716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4159}}^1$

素因数の和:4234

約数の個数: 48

約数和(自身を含む): 57774080

約数和(自身を除く): 36463364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 4159, 5124, 8318, 12477, 16636, 24954, 29113, 49908, 58226, 87339, 116452, 174678, 253699, 349356, 507398, 761097, 1014796, 1522194, 1775893, 3044388, 3551786, 5327679, 7103572, 10655358, 21310716]

約数ペア:

[(1, 21310716), (2, 10655358), (3, 7103572), (4, 5327679), (6, 3551786), (7, 3044388), (12, 1775893), (14, 1522194), (21, 1014796), (28, 761097), (42, 507398), (61, 349356), (84, 253699), (122, 174678), (183, 116452), (244, 87339), (366, 58226), (427, 49908), (732, 29113), (854, 24954), (1281, 16636), (1708, 12477), (2562, 8318), (4159, 5124)]