21622988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2659}}^1$

素因数の和:2789

約数の個数: 24

約数和(自身を含む): 40219200

約数和(自身を除く): 18596212

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 428, 2033, 2659, 4066, 5318, 8132, 10636, 50521, 101042, 202084, 284513, 569026, 1138052, 5405747, 10811494, 21622988]

約数ペア:

[(1, 21622988), (2, 10811494), (4, 5405747), (19, 1138052), (38, 569026), (76, 284513), (107, 202084), (214, 101042), (428, 50521), (2033, 10636), (2659, 8132), (4066, 5318)]