21834988

素因数分解:

$2^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1103}}^1$

素因数の和:1222

約数の個数: 36

約数和(自身を含む): 44930592

約数和(自身を除く): 23095604

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 101, 196, 202, 404, 707, 1103, 1414, 2206, 2828, 4412, 4949, 7721, 9898, 15442, 19796, 30884, 54047, 108094, 111403, 216188, 222806, 445612, 779821, 1559642, 3119284, 5458747, 10917494, 21834988]

約数ペア:

[(1, 21834988), (2, 10917494), (4, 5458747), (7, 3119284), (14, 1559642), (28, 779821), (49, 445612), (98, 222806), (101, 216188), (196, 111403), (202, 108094), (404, 54047), (707, 30884), (1103, 19796), (1414, 15442), (2206, 9898), (2828, 7721), (4412, 4949)]