21665411603

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1\times {\mathrm{563}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 24340435200

約数和(自身を除く): 2675023597

約数列:

[1, 11, 53, 149, 443, 563, 583, 1639, 4873, 6193, 7897, 23479, 29839, 66007, 83887, 86867, 249409, 258269, 328229, 726077, 922757, 2743499, 3498371, 4446011, 13218677, 37161941, 38482081, 48906121, 145405447, 408781351, 1969582873, 21665411603]

約数ペア:

[(1, 21665411603), (11, 1969582873), (53, 408781351), (149, 145405447), (443, 48906121), (563, 38482081), (583, 37161941), (1639, 13218677), (4873, 4446011), (6193, 3498371), (7897, 2743499), (23479, 922757), (29839, 726077), (66007, 328229), (83887, 258269), (86867, 249409)]