20214495

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21391}}^1$

素因数の和:21412

約数の個数: 32

約数和(自身を含む): 41072640

約数和(自身を除く): 20858145

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21391, 64173, 106955, 149737, 192519, 320865, 449211, 577557, 748685, 962595, 1347633, 2246055, 2887785, 4042899, 6738165, 20214495]

約数ペア:

[(1, 20214495), (3, 6738165), (5, 4042899), (7, 2887785), (9, 2246055), (15, 1347633), (21, 962595), (27, 748685), (35, 577557), (45, 449211), (63, 320865), (105, 192519), (135, 149737), (189, 106955), (315, 64173), (945, 21391)]