21881865265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{131143}}^1$

素因数の和:131329

約数の個数: 32

約数和(自身を含む): 30140038656

約数和(自身を除く): 8258173391

約数列:

[1, 5, 13, 17, 65, 85, 151, 221, 755, 1105, 1963, 2567, 9815, 12835, 33371, 131143, 166855, 655715, 1704859, 2229431, 8524295, 11147155, 19802593, 28982603, 99012965, 144913015, 257433709, 336644081, 1287168545, 1683220405, 4376373053, 21881865265]

約数ペア:

[(1, 21881865265), (5, 4376373053), (13, 1683220405), (17, 1287168545), (65, 336644081), (85, 257433709), (151, 144913015), (221, 99012965), (755, 28982603), (1105, 19802593), (1963, 11147155), (2567, 8524295), (9815, 2229431), (12835, 1704859), (33371, 655715), (131143, 166855)]