21996675

素因数分解:

$3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{1657}}^1$

素因数の和:1732

約数の個数: 36

約数和(自身を含む): 40090440

約数和(自身を除く): 18093765

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 177, 225, 295, 531, 885, 1475, 1657, 2655, 4425, 4971, 8285, 13275, 14913, 24855, 41425, 74565, 97763, 124275, 293289, 372825, 488815, 879867, 1466445, 2444075, 4399335, 7332225, 21996675]

約数ペア:

[(1, 21996675), (3, 7332225), (5, 4399335), (9, 2444075), (15, 1466445), (25, 879867), (45, 488815), (59, 372825), (75, 293289), (177, 124275), (225, 97763), (295, 74565), (531, 41425), (885, 24855), (1475, 14913), (1657, 13275), (2655, 8285), (4425, 4971)]