22121345

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^2$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 28599480

約数和(自身を除く): 6478135

約数列:

[1, 5, 29, 41, 61, 145, 205, 305, 1189, 1769, 2501, 3721, 5945, 8845, 12505, 18605, 72529, 107909, 152561, 362645, 539545, 762805, 4424269, 22121345]

約数ペア:

[(1, 22121345), (5, 4424269), (29, 762805), (41, 539545), (61, 362645), (145, 152561), (205, 107909), (305, 72529), (1189, 18605), (1769, 12505), (2501, 8845), (3721, 5945)]