21493465

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32321}}^1$

素因数の和:32352

約数の個数: 16

約数和(自身を含む): 31029120

約数和(自身を除く): 9535655

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 32321, 161605, 226247, 614099, 1131235, 3070495, 4298693, 21493465]

約数ペア:

[(1, 21493465), (5, 4298693), (7, 3070495), (19, 1131235), (35, 614099), (95, 226247), (133, 161605), (665, 32321)]