21141645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{887}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 38873088

約数和(自身を除く): 17731443

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 227, 681, 887, 1135, 1589, 2661, 3405, 4435, 4767, 6209, 7945, 13305, 18627, 23835, 31045, 93135, 201349, 604047, 1006745, 1409443, 3020235, 4228329, 7047215, 21141645]

約数ペア:

[(1, 21141645), (3, 7047215), (5, 4228329), (7, 3020235), (15, 1409443), (21, 1006745), (35, 604047), (105, 201349), (227, 93135), (681, 31045), (887, 23835), (1135, 18627), (1589, 13305), (2661, 7945), (3405, 6209), (4435, 4767)]