21077325

素因数分解:

$3^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{829}}^1$

素因数の和:958

約数の個数: 36

約数和(自身を含む): 38131860

約数和(自身を除く): 17054535

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 113, 225, 339, 565, 829, 1017, 1695, 2487, 2825, 4145, 5085, 7461, 8475, 12435, 20725, 25425, 37305, 62175, 93677, 186525, 281031, 468385, 843093, 1405155, 2341925, 4215465, 7025775, 21077325]

約数ペア:

[(1, 21077325), (3, 7025775), (5, 4215465), (9, 2341925), (15, 1405155), (25, 843093), (45, 468385), (75, 281031), (113, 186525), (225, 93677), (339, 62175), (565, 37305), (829, 25425), (1017, 20725), (1695, 12435), (2487, 8475), (2825, 7461), (4145, 5085)]