21023954

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19009}}^1$

素因数の和:19097

約数の個数: 16

約数和(自身を含む): 36499200

約数和(自身を除く): 15475246

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 19009, 38018, 133063, 266126, 1501711, 3003422, 10511977, 21023954]

約数ペア:

[(1, 21023954), (2, 10511977), (7, 3003422), (14, 1501711), (79, 266126), (158, 133063), (553, 38018), (1106, 19009)]