21107835

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{593}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 42254784

約数和(自身を除く): 21146949

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 113, 315, 339, 565, 593, 791, 1017, 1695, 1779, 2373, 2965, 3955, 4151, 5085, 5337, 7119, 8895, 11865, 12453, 20755, 26685, 35595, 37359, 62265, 67009, 186795, 201027, 335045, 469063, 603081, 1005135, 1407189, 2345315, 3015405, 4221567, 7035945, 21107835]

約数ペア:

[(1, 21107835), (3, 7035945), (5, 4221567), (7, 3015405), (9, 2345315), (15, 1407189), (21, 1005135), (35, 603081), (45, 469063), (63, 335045), (105, 201027), (113, 186795), (315, 67009), (339, 62265), (565, 37359), (593, 35595), (791, 26685), (1017, 20755), (1695, 12453), (1779, 11865), (2373, 8895), (2965, 7119), (3955, 5337), (4151, 5085)]