21490272

素因数分解:

$2^5\times 3^4\times {\mathrm{8291}}^1$

素因数の和:8313

約数の個数: 60

約数和(自身を含む): 63209916

約数和(自身を除く): 41719644

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 648, 864, 1296, 2592, 8291, 16582, 24873, 33164, 49746, 66328, 74619, 99492, 132656, 149238, 198984, 223857, 265312, 298476, 397968, 447714, 596952, 671571, 795936, 895428, 1193904, 1343142, 1790856, 2387808, 2686284, 3581712, 5372568, 7163424, 10745136, 21490272]

約数ペア:

[(1, 21490272), (2, 10745136), (3, 7163424), (4, 5372568), (6, 3581712), (8, 2686284), (9, 2387808), (12, 1790856), (16, 1343142), (18, 1193904), (24, 895428), (27, 795936), (32, 671571), (36, 596952), (48, 447714), (54, 397968), (72, 298476), (81, 265312), (96, 223857), (108, 198984), (144, 149238), (162, 132656), (216, 99492), (288, 74619), (324, 66328), (432, 49746), (648, 33164), (864, 24873), (1296, 16582), (2592, 8291)]