21441240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19853}}^1$

素因数の和:19873

約数の個数: 64

約数和(自身を含む): 71474400

約数和(自身を除く): 50033160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19853, 39706, 59559, 79412, 99265, 119118, 158824, 178677, 198530, 238236, 297795, 357354, 397060, 476472, 536031, 595590, 714708, 794120, 893385, 1072062, 1191180, 1429416, 1786770, 2144124, 2382360, 2680155, 3573540, 4288248, 5360310, 7147080, 10720620, 21441240]

約数ペア:

[(1, 21441240), (2, 10720620), (3, 7147080), (4, 5360310), (5, 4288248), (6, 3573540), (8, 2680155), (9, 2382360), (10, 2144124), (12, 1786770), (15, 1429416), (18, 1191180), (20, 1072062), (24, 893385), (27, 794120), (30, 714708), (36, 595590), (40, 536031), (45, 476472), (54, 397060), (60, 357354), (72, 297795), (90, 238236), (108, 198530), (120, 178677), (135, 158824), (180, 119118), (216, 99265), (270, 79412), (360, 59559), (540, 39706), (1080, 19853)]