21277370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2663}}^1$

素因数の和:2734

約数の個数: 32

約数和(自身を含む): 41430528

約数和(自身を除く): 20153158

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 2663, 3995, 5326, 7990, 13315, 26630, 45271, 90542, 125161, 226355, 250322, 452710, 625805, 1251610, 2127737, 4255474, 10638685, 21277370]

約数ペア:

[(1, 21277370), (2, 10638685), (5, 4255474), (10, 2127737), (17, 1251610), (34, 625805), (47, 452710), (85, 250322), (94, 226355), (170, 125161), (235, 90542), (470, 45271), (799, 26630), (1598, 13315), (2663, 7990), (3995, 5326)]