21505392

素因数分解:

$2^4\times 3^3\times {\mathrm{67}}^1\times {\mathrm{743}}^1$

素因数の和:827

約数の個数: 80

約数和(自身を含む): 62734080

約数和(自身を除く): 41228688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 67, 72, 108, 134, 144, 201, 216, 268, 402, 432, 536, 603, 743, 804, 1072, 1206, 1486, 1608, 1809, 2229, 2412, 2972, 3216, 3618, 4458, 4824, 5944, 6687, 7236, 8916, 9648, 11888, 13374, 14472, 17832, 20061, 26748, 28944, 35664, 40122, 49781, 53496, 80244, 99562, 106992, 149343, 160488, 199124, 298686, 320976, 398248, 448029, 597372, 796496, 896058, 1194744, 1344087, 1792116, 2389488, 2688174, 3584232, 5376348, 7168464, 10752696, 21505392]

約数ペア:

[(1, 21505392), (2, 10752696), (3, 7168464), (4, 5376348), (6, 3584232), (8, 2688174), (9, 2389488), (12, 1792116), (16, 1344087), (18, 1194744), (24, 896058), (27, 796496), (36, 597372), (48, 448029), (54, 398248), (67, 320976), (72, 298686), (108, 199124), (134, 160488), (144, 149343), (201, 106992), (216, 99562), (268, 80244), (402, 53496), (432, 49781), (536, 40122), (603, 35664), (743, 28944), (804, 26748), (1072, 20061), (1206, 17832), (1486, 14472), (1608, 13374), (1809, 11888), (2229, 9648), (2412, 8916), (2972, 7236), (3216, 6687), (3618, 5944), (4458, 4824)]