21996772

素因数分解:

$2^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{2251}}^1$

素因数の和:2611

約数の個数: 24

約数和(自身を含む): 44139200

約数和(自身を除く): 22142428

約数列:

[1, 2, 4, 7, 14, 28, 349, 698, 1396, 2251, 2443, 4502, 4886, 9004, 9772, 15757, 31514, 63028, 785599, 1571198, 3142396, 5499193, 10998386, 21996772]

約数ペア:

[(1, 21996772), (2, 10998386), (4, 5499193), (7, 3142396), (14, 1571198), (28, 785599), (349, 63028), (698, 31514), (1396, 15757), (2251, 9772), (2443, 9004), (4502, 4886)]