21028932869

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1\times {\mathrm{3631}}^1$

素因数の和:4113

約数の個数: 32

約数和(自身を含む): 25174118400

約数和(自身を除く): 4145185531

約数列:

[1, 7, 37, 59, 259, 379, 413, 2183, 2653, 3631, 14023, 15281, 22361, 25417, 98161, 134347, 156527, 214229, 827357, 940429, 1376149, 1499603, 5791499, 7926473, 9633043, 50917513, 55485311, 81192791, 356422591, 568349537, 3004133267, 21028932869]

約数ペア:

[(1, 21028932869), (7, 3004133267), (37, 568349537), (59, 356422591), (259, 81192791), (379, 55485311), (413, 50917513), (2183, 9633043), (2653, 7926473), (3631, 5791499), (14023, 1499603), (15281, 1376149), (22361, 940429), (25417, 827357), (98161, 214229), (134347, 156527)]