21916965

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29819}}^1$

素因数の和:29841

約数の個数: 24

約数和(自身を含む): 40793760

約数和(自身を除く): 18876795

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 29819, 89457, 149095, 208733, 447285, 626199, 1043665, 1461131, 3130995, 4383393, 7305655, 21916965]

約数ペア:

[(1, 21916965), (3, 7305655), (5, 4383393), (7, 3130995), (15, 1461131), (21, 1043665), (35, 626199), (49, 447285), (105, 208733), (147, 149095), (245, 89457), (735, 29819)]