21273942

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{154159}}^1$

素因数の和:154187

約数の個数: 16

約数和(自身を含む): 44398080

約数和(自身を除く): 23124138

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 154159, 308318, 462477, 924954, 3545657, 7091314, 10636971, 21273942]

約数ペア:

[(1, 21273942), (2, 10636971), (3, 7091314), (6, 3545657), (23, 924954), (46, 462477), (69, 308318), (138, 154159)]