21272760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19697}}^1$

素因数の和:19717

約数の個数: 64

約数和(自身を含む): 70912800

約数和(自身を除く): 49640040

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, 19697, 39394, 59091, 78788, 98485, 118182, 157576, 177273, 196970, 236364, 295455, 354546, 393940, 472728, 531819, 590910, 709092, 787880, 886365, 1063638, 1181820, 1418184, 1772730, 2127276, 2363640, 2659095, 3545460, 4254552, 5318190, 7090920, 10636380, 21272760]

約数ペア:

[(1, 21272760), (2, 10636380), (3, 7090920), (4, 5318190), (5, 4254552), (6, 3545460), (8, 2659095), (9, 2363640), (10, 2127276), (12, 1772730), (15, 1418184), (18, 1181820), (20, 1063638), (24, 886365), (27, 787880), (30, 709092), (36, 590910), (40, 531819), (45, 472728), (54, 393940), (60, 354546), (72, 295455), (90, 236364), (108, 196970), (120, 177273), (135, 157576), (180, 118182), (216, 98485), (270, 78788), (360, 59091), (540, 39394), (1080, 19697)]