21650760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{20047}}^1$

素因数の和:20067

約数の個数: 64

約数和(自身を含む): 72172800

約数和(自身を除く): 50522040

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, 20047, 40094, 60141, 80188, 100235, 120282, 160376, 180423, 200470, 240564, 300705, 360846, 400940, 481128, 541269, 601410, 721692, 801880, 902115, 1082538, 1202820, 1443384, 1804230, 2165076, 2405640, 2706345, 3608460, 4330152, 5412690, 7216920, 10825380, 21650760]

約数ペア:

[(1, 21650760), (2, 10825380), (3, 7216920), (4, 5412690), (5, 4330152), (6, 3608460), (8, 2706345), (9, 2405640), (10, 2165076), (12, 1804230), (15, 1443384), (18, 1202820), (20, 1082538), (24, 902115), (27, 801880), (30, 721692), (36, 601410), (40, 541269), (45, 481128), (54, 400940), (60, 360846), (72, 300705), (90, 240564), (108, 200470), (120, 180423), (135, 160376), (180, 120282), (216, 100235), (270, 80188), (360, 60141), (540, 40094), (1080, 20047)]