21953764

素因数分解:

$2^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1109}}^1$

素因数の和:1228

約数の個数: 36

約数和(自身を含む): 45174780

約数和(自身を除く): 23221016

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 101, 196, 202, 404, 707, 1109, 1414, 2218, 2828, 4436, 4949, 7763, 9898, 15526, 19796, 31052, 54341, 108682, 112009, 217364, 224018, 448036, 784063, 1568126, 3136252, 5488441, 10976882, 21953764]

約数ペア:

[(1, 21953764), (2, 10976882), (4, 5488441), (7, 3136252), (14, 1568126), (28, 784063), (49, 448036), (98, 224018), (101, 217364), (196, 112009), (202, 108682), (404, 54341), (707, 31052), (1109, 19796), (1414, 15526), (2218, 9898), (2828, 7763), (4436, 4949)]