21986856

素因数分解:

$2^3\times 3^3\times {\mathrm{137}}^1\times {\mathrm{743}}^1$

素因数の和:895

約数の個数: 64

約数和(自身を含む): 61603200

約数和(自身を除く): 39616344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 137, 216, 274, 411, 548, 743, 822, 1096, 1233, 1486, 1644, 2229, 2466, 2972, 3288, 3699, 4458, 4932, 5944, 6687, 7398, 8916, 9864, 13374, 14796, 17832, 20061, 26748, 29592, 40122, 53496, 80244, 101791, 160488, 203582, 305373, 407164, 610746, 814328, 916119, 1221492, 1832238, 2442984, 2748357, 3664476, 5496714, 7328952, 10993428, 21986856]

約数ペア:

[(1, 21986856), (2, 10993428), (3, 7328952), (4, 5496714), (6, 3664476), (8, 2748357), (9, 2442984), (12, 1832238), (18, 1221492), (24, 916119), (27, 814328), (36, 610746), (54, 407164), (72, 305373), (108, 203582), (137, 160488), (216, 101791), (274, 80244), (411, 53496), (548, 40122), (743, 29592), (822, 26748), (1096, 20061), (1233, 17832), (1486, 14796), (1644, 13374), (2229, 9864), (2466, 8916), (2972, 7398), (3288, 6687), (3699, 5944), (4458, 4932)]