21790770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42727}}^1$

素因数の和:42754

約数の個数: 32

約数和(自身を含む): 55375488

約数和(自身を除く): 33584718

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42727, 85454, 128181, 213635, 256362, 427270, 640905, 726359, 1281810, 1452718, 2179077, 3631795, 4358154, 7263590, 10895385, 21790770]

約数ペア:

[(1, 21790770), (2, 10895385), (3, 7263590), (5, 4358154), (6, 3631795), (10, 2179077), (15, 1452718), (17, 1281810), (30, 726359), (34, 640905), (51, 427270), (85, 256362), (102, 213635), (170, 128181), (255, 85454), (510, 42727)]