21783954

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1123}}^1$

素因数の和:1242

約数の個数: 32

約数和(自身を含む): 45157824

約数和(自身を除く): 23373870

約数列:

[1, 2, 3, 6, 53, 61, 106, 122, 159, 183, 318, 366, 1123, 2246, 3233, 3369, 6466, 6738, 9699, 19398, 59519, 68503, 119038, 137006, 178557, 205509, 357114, 411018, 3630659, 7261318, 10891977, 21783954]

約数ペア:

[(1, 21783954), (2, 10891977), (3, 7261318), (6, 3630659), (53, 411018), (61, 357114), (106, 205509), (122, 178557), (159, 137006), (183, 119038), (318, 68503), (366, 59519), (1123, 19398), (2246, 9699), (3233, 6738), (3369, 6466)]