21000746445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3389951}}^1$

素因数の和:3390025

約数の個数: 32

約数和(自身を含む): 39052247040

約数和(自身を除く): 18051500595

約数列:

[1, 3, 5, 7, 15, 21, 35, 59, 105, 177, 295, 413, 885, 1239, 2065, 6195, 3389951, 10169853, 16949755, 23729657, 50849265, 71188971, 118648285, 200007109, 355944855, 600021327, 1000035545, 1400049763, 3000106635, 4200149289, 7000248815, 21000746445]

約数ペア:

[(1, 21000746445), (3, 7000248815), (5, 4200149289), (7, 3000106635), (15, 1400049763), (21, 1000035545), (35, 600021327), (59, 355944855), (105, 200007109), (177, 118648285), (295, 71188971), (413, 50849265), (885, 23729657), (1239, 16949755), (2065, 10169853), (6195, 3389951)]