21492116

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7643}}^1$

素因数の和:7703

約数の個数: 24

約数和(自身を含む): 40666080

約数和(自身を除く): 19173964

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7643, 15286, 30572, 145217, 282791, 290434, 565582, 580868, 1131164, 5373029, 10746058, 21492116]

約数ペア:

[(1, 21492116), (2, 10746058), (4, 5373029), (19, 1131164), (37, 580868), (38, 565582), (74, 290434), (76, 282791), (148, 145217), (703, 30572), (1406, 15286), (2812, 7643)]