21000306585

素因数分解:

$3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1493}}^1\times {\mathrm{2833}}^1$

素因数の和:4665

約数の個数: 32

約数和(自身を含む): 33736480128

約数和(自身を除く): 12736173543

約数列:

[1, 3, 5, 15, 331, 993, 1493, 1655, 2833, 4479, 4965, 7465, 8499, 14165, 22395, 42495, 494183, 937723, 1482549, 2470915, 2813169, 4229669, 4688615, 7412745, 12689007, 14065845, 21148345, 63445035, 1400020439, 4200061317, 7000102195, 21000306585]

約数ペア:

[(1, 21000306585), (3, 7000102195), (5, 4200061317), (15, 1400020439), (331, 63445035), (993, 21148345), (1493, 14065845), (1655, 12689007), (2833, 7412745), (4479, 4688615), (4965, 4229669), (7465, 2813169), (8499, 2470915), (14165, 1482549), (22395, 937723), (42495, 494183)]