16821540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31151}}^1$

素因数の和:31169

約数の個数: 48

約数和(自身を含む): 52335360

約数和(自身を除く): 35513820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 31151, 62302, 93453, 124604, 155755, 186906, 280359, 311510, 373812, 467265, 560718, 623020, 841077, 934530, 1121436, 1401795, 1682154, 1869060, 2803590, 3364308, 4205385, 5607180, 8410770, 16821540]

約数ペア:

[(1, 16821540), (2, 8410770), (3, 5607180), (4, 4205385), (5, 3364308), (6, 2803590), (9, 1869060), (10, 1682154), (12, 1401795), (15, 1121436), (18, 934530), (20, 841077), (27, 623020), (30, 560718), (36, 467265), (45, 373812), (54, 311510), (60, 280359), (90, 186906), (108, 155755), (135, 124604), (180, 93453), (270, 62302), (540, 31151)]