21826125

素因数分解:

$3^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 41932800

約数和(自身を除く): 20106675

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 125, 135, 145, 223, 225, 261, 375, 435, 669, 675, 725, 783, 1115, 1125, 1305, 2007, 2175, 3345, 3375, 3625, 3915, 5575, 6021, 6467, 6525, 10035, 10875, 16725, 19401, 19575, 27875, 30105, 32335, 32625, 50175, 58203, 83625, 97005, 97875, 150525, 161675, 174609, 250875, 291015, 485025, 752625, 808375, 873045, 1455075, 2425125, 4365225, 7275375, 21826125]

約数ペア:

[(1, 21826125), (3, 7275375), (5, 4365225), (9, 2425125), (15, 1455075), (25, 873045), (27, 808375), (29, 752625), (45, 485025), (75, 291015), (87, 250875), (125, 174609), (135, 161675), (145, 150525), (223, 97875), (225, 97005), (261, 83625), (375, 58203), (435, 50175), (669, 32625), (675, 32335), (725, 30105), (783, 27875), (1115, 19575), (1125, 19401), (1305, 16725), (2007, 10875), (2175, 10035), (3345, 6525), (3375, 6467), (3625, 6021), (3915, 5575)]