21958123

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 25171200

約数和(自身を除く): 3213077

約数列:

[1, 11, 23, 229, 253, 379, 2519, 4169, 5267, 8717, 57937, 86791, 95887, 954701, 1996193, 21958123]

約数ペア:

[(1, 21958123), (11, 1996193), (23, 954701), (229, 95887), (253, 86791), (379, 57937), (2519, 8717), (4169, 5267)]