21401714

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{5167}}^1$

素因数の和:5297

約数の個数: 16

約数和(自身を含む): 34108800

約数和(自身を除く): 12707086

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 5167, 10334, 98173, 196346, 563203, 1126406, 10700857, 21401714]

約数ペア:

[(1, 21401714), (2, 10700857), (19, 1126406), (38, 563203), (109, 196346), (218, 98173), (2071, 10334), (4142, 5167)]