21867888

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1759}}^1$

素因数の和:1814

約数の個数: 80

約数和(自身を含む): 66344960

約数和(自身を除く): 44477072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 56, 74, 84, 111, 112, 148, 168, 222, 259, 296, 336, 444, 518, 592, 777, 888, 1036, 1554, 1759, 1776, 2072, 3108, 3518, 4144, 5277, 6216, 7036, 10554, 12313, 12432, 14072, 21108, 24626, 28144, 36939, 42216, 49252, 65083, 73878, 84432, 98504, 130166, 147756, 195249, 197008, 260332, 295512, 390498, 455581, 520664, 591024, 780996, 911162, 1041328, 1366743, 1561992, 1822324, 2733486, 3123984, 3644648, 5466972, 7289296, 10933944, 21867888]

約数ペア:

[(1, 21867888), (2, 10933944), (3, 7289296), (4, 5466972), (6, 3644648), (7, 3123984), (8, 2733486), (12, 1822324), (14, 1561992), (16, 1366743), (21, 1041328), (24, 911162), (28, 780996), (37, 591024), (42, 520664), (48, 455581), (56, 390498), (74, 295512), (84, 260332), (111, 197008), (112, 195249), (148, 147756), (168, 130166), (222, 98504), (259, 84432), (296, 73878), (336, 65083), (444, 49252), (518, 42216), (592, 36939), (777, 28144), (888, 24626), (1036, 21108), (1554, 14072), (1759, 12432), (1776, 12313), (2072, 10554), (3108, 7036), (3518, 6216), (4144, 5277)]