21631620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5381}}^1$

素因数の和:5460

約数の個数: 48

約数和(自身を含む): 61483968

約数和(自身を除く): 39852348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 5381, 10762, 16143, 21524, 26905, 32286, 53810, 64572, 80715, 107620, 161430, 322860, 360527, 721054, 1081581, 1442108, 1802635, 2163162, 3605270, 4326324, 5407905, 7210540, 10815810, 21631620]

約数ペア:

[(1, 21631620), (2, 10815810), (3, 7210540), (4, 5407905), (5, 4326324), (6, 3605270), (10, 2163162), (12, 1802635), (15, 1442108), (20, 1081581), (30, 721054), (60, 360527), (67, 322860), (134, 161430), (201, 107620), (268, 80715), (335, 64572), (402, 53810), (670, 32286), (804, 26905), (1005, 21524), (1340, 16143), (2010, 10762), (4020, 5381)]