2130804940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9685477}}^1$

素因数の和:9685497

約数の個数: 24

約数和(自身を含む): 4881480912

約数和(自身を除く): 2750675972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9685477, 19370954, 38741908, 48427385, 96854770, 106540247, 193709540, 213080494, 426160988, 532701235, 1065402470, 2130804940]

約数ペア:

[(1, 2130804940), (2, 1065402470), (4, 532701235), (5, 426160988), (10, 213080494), (11, 193709540), (20, 106540247), (22, 96854770), (44, 48427385), (55, 38741908), (110, 19370954), (220, 9685477)]