21450711

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{467}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 29248128

約数和(自身を除く): 7797417

約数列:

[1, 3, 61, 183, 251, 467, 753, 1401, 15311, 28487, 45933, 85461, 117217, 351651, 7150237, 21450711]

約数ペア:

[(1, 21450711), (3, 7150237), (61, 351651), (183, 117217), (251, 85461), (467, 45933), (753, 28487), (1401, 15311)]