21206345

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3023}}^1$

素因数の和:3112

約数の個数: 16

約数和(自身を含む): 26998272

約数和(自身を除く): 5791927

約数列:

[1, 5, 23, 61, 115, 305, 1403, 3023, 7015, 15115, 69529, 184403, 347645, 922015, 4241269, 21206345]

約数ペア:

[(1, 21206345), (5, 4241269), (23, 922015), (61, 347645), (115, 184403), (305, 69529), (1403, 15115), (3023, 7015)]