21351255480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19769681}}^1$

素因数の和:19769701

約数の個数: 64

約数和(自身を含む): 71170855200

約数和(自身を除く): 49819599720

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, 19769681, 39539362, 59309043, 79078724, 98848405, 118618086, 158157448, 177927129, 197696810, 237236172, 296545215, 355854258, 395393620, 474472344, 533781387, 593090430, 711708516, 790787240, 889635645, 1067562774, 1186180860, 1423417032, 1779271290, 2135125548, 2372361720, 2668906935, 3558542580, 4270251096, 5337813870, 7117085160, 10675627740, 21351255480]

約数ペア:

[(1, 21351255480), (2, 10675627740), (3, 7117085160), (4, 5337813870), (5, 4270251096), (6, 3558542580), (8, 2668906935), (9, 2372361720), (10, 2135125548), (12, 1779271290), (15, 1423417032), (18, 1186180860), (20, 1067562774), (24, 889635645), (27, 790787240), (30, 711708516), (36, 593090430), (40, 533781387), (45, 474472344), (54, 395393620), (60, 355854258), (72, 296545215), (90, 237236172), (108, 197696810), (120, 177927129), (135, 158157448), (180, 118618086), (216, 98848405), (270, 79078724), (360, 59309043), (540, 39539362), (1080, 19769681)]