21411525

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{4261}}^1$

素因数の和:4341

約数の個数: 24

約数和(自身を含む): 35937184

約数和(自身を除く): 14525659

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 1005, 1675, 4261, 5025, 12783, 21305, 63915, 106525, 285487, 319575, 856461, 1427435, 4282305, 7137175, 21411525]

約数ペア:

[(1, 21411525), (3, 7137175), (5, 4282305), (15, 1427435), (25, 856461), (67, 319575), (75, 285487), (201, 106525), (335, 63915), (1005, 21305), (1675, 12783), (4261, 5025)]