21855030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42853}}^1$

素因数の和:42880

約数の個数: 32

約数和(自身を含む): 55538784

約数和(自身を除く): 33683754

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42853, 85706, 128559, 214265, 257118, 428530, 642795, 728501, 1285590, 1457002, 2185503, 3642505, 4371006, 7285010, 10927515, 21855030]

約数ペア:

[(1, 21855030), (2, 10927515), (3, 7285010), (5, 4371006), (6, 3642505), (10, 2185503), (15, 1457002), (17, 1285590), (30, 728501), (34, 642795), (51, 428530), (85, 257118), (102, 214265), (170, 128559), (255, 85706), (510, 42853)]