21179880

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{2179}}^1$

素因数の和:2205

約数の個数: 96

約数和(自身を含む): 71416800

約数和(自身を除く): 50236920

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, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2179, 2430, 3240, 4358, 4860, 6537, 8716, 9720, 10895, 13074, 17432, 19611, 21790, 26148, 32685, 39222, 43580, 52296, 58833, 65370, 78444, 87160, 98055, 117666, 130740, 156888, 176499, 196110, 235332, 261480, 294165, 352998, 392220, 470664, 529497, 588330, 705996, 784440, 882495, 1058994, 1176660, 1411992, 1764990, 2117988, 2353320, 2647485, 3529980, 4235976, 5294970, 7059960, 10589940, 21179880]

約数ペア:

[(1, 21179880), (2, 10589940), (3, 7059960), (4, 5294970), (5, 4235976), (6, 3529980), (8, 2647485), (9, 2353320), (10, 2117988), (12, 1764990), (15, 1411992), (18, 1176660), (20, 1058994), (24, 882495), (27, 784440), (30, 705996), (36, 588330), (40, 529497), (45, 470664), (54, 392220), (60, 352998), (72, 294165), (81, 261480), (90, 235332), (108, 196110), (120, 176499), (135, 156888), (162, 130740), (180, 117666), (216, 98055), (243, 87160), (270, 78444), (324, 65370), (360, 58833), (405, 52296), (486, 43580), (540, 39222), (648, 32685), (810, 26148), (972, 21790), (1080, 19611), (1215, 17432), (1620, 13074), (1944, 10895), (2179, 9720), (2430, 8716), (3240, 6537), (4358, 4860)]