21983110

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 40515552

約数和(自身を除く): 18532442

約数列:

[1, 2, 5, 10, 97, 131, 173, 194, 262, 346, 485, 655, 865, 970, 1310, 1730, 12707, 16781, 22663, 25414, 33562, 45326, 63535, 83905, 113315, 127070, 167810, 226630, 2198311, 4396622, 10991555, 21983110]

約数ペア:

[(1, 21983110), (2, 10991555), (5, 4396622), (10, 2198311), (97, 226630), (131, 167810), (173, 127070), (194, 113315), (262, 83905), (346, 63535), (485, 45326), (655, 33562), (865, 25414), (970, 22663), (1310, 16781), (1730, 12707)]