21640278

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{17257}}^1$

素因数の和:17292

約数の個数: 32

約数和(自身を含む): 49703040

約数和(自身を除く): 28062762

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 418, 627, 1254, 17257, 34514, 51771, 103542, 189827, 327883, 379654, 569481, 655766, 983649, 1138962, 1967298, 3606713, 7213426, 10820139, 21640278]

約数ペア:

[(1, 21640278), (2, 10820139), (3, 7213426), (6, 3606713), (11, 1967298), (19, 1138962), (22, 983649), (33, 655766), (38, 569481), (57, 379654), (66, 327883), (114, 189827), (209, 103542), (418, 51771), (627, 34514), (1254, 17257)]