21729498

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{5023}}^1$

素因数の和:5138

約数の個数: 32

約数和(自身を含む): 50159616

約数和(自身を除く): 28430118

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 103, 206, 309, 618, 721, 1442, 2163, 4326, 5023, 10046, 15069, 30138, 35161, 70322, 105483, 210966, 517369, 1034738, 1552107, 3104214, 3621583, 7243166, 10864749, 21729498]

約数ペア:

[(1, 21729498), (2, 10864749), (3, 7243166), (6, 3621583), (7, 3104214), (14, 1552107), (21, 1034738), (42, 517369), (103, 210966), (206, 105483), (309, 70322), (618, 35161), (721, 30138), (1442, 15069), (2163, 10046), (4326, 5023)]