21326296

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{821}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 42612480

約数和(自身を除く): 21286184

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 191, 382, 764, 821, 1528, 1642, 3247, 3284, 6494, 6568, 12988, 13957, 25976, 27914, 55828, 111656, 156811, 313622, 627244, 1254488, 2665787, 5331574, 10663148, 21326296]

約数ペア:

[(1, 21326296), (2, 10663148), (4, 5331574), (8, 2665787), (17, 1254488), (34, 627244), (68, 313622), (136, 156811), (191, 111656), (382, 55828), (764, 27914), (821, 25976), (1528, 13957), (1642, 12988), (3247, 6568), (3284, 6494)]