21726375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 41333760

約数和(自身を除く): 19607385

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 69, 75, 115, 125, 165, 229, 253, 275, 345, 375, 575, 687, 759, 825, 1145, 1265, 1375, 1725, 2519, 2875, 3435, 3795, 4125, 5267, 5725, 6325, 7557, 8625, 12595, 15801, 17175, 18975, 26335, 28625, 31625, 37785, 57937, 62975, 79005, 85875, 94875, 131675, 173811, 188925, 289685, 314875, 395025, 658375, 869055, 944625, 1448425, 1975125, 4345275, 7242125, 21726375]

約数ペア:

[(1, 21726375), (3, 7242125), (5, 4345275), (11, 1975125), (15, 1448425), (23, 944625), (25, 869055), (33, 658375), (55, 395025), (69, 314875), (75, 289685), (115, 188925), (125, 173811), (165, 131675), (229, 94875), (253, 85875), (275, 79005), (345, 62975), (375, 57937), (575, 37785), (687, 31625), (759, 28625), (825, 26335), (1145, 18975), (1265, 17175), (1375, 15801), (1725, 12595), (2519, 8625), (2875, 7557), (3435, 6325), (3795, 5725), (4125, 5267)]