21374955

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22619}}^1$

素因数の和:22640

約数の個数: 32

約数和(自身を含む): 43430400

約数和(自身を除く): 22055445

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22619, 67857, 113095, 158333, 203571, 339285, 474999, 610713, 791665, 1017855, 1424997, 2374995, 3053565, 4274991, 7124985, 21374955]

約数ペア:

[(1, 21374955), (3, 7124985), (5, 4274991), (7, 3053565), (9, 2374995), (15, 1424997), (21, 1017855), (27, 791665), (35, 610713), (45, 474999), (63, 339285), (105, 203571), (135, 158333), (189, 113095), (315, 67857), (945, 22619)]