21894528

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 63256320

約数和(自身を除く): 41361792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 37, 46, 48, 64, 67, 69, 74, 92, 96, 111, 128, 134, 138, 148, 184, 192, 201, 222, 268, 276, 296, 368, 384, 402, 444, 536, 552, 592, 736, 804, 851, 888, 1072, 1104, 1184, 1472, 1541, 1608, 1702, 1776, 2144, 2208, 2368, 2479, 2553, 2944, 3082, 3216, 3404, 3552, 4288, 4416, 4623, 4736, 4958, 5106, 6164, 6432, 6808, 7104, 7437, 8576, 8832, 9246, 9916, 10212, 12328, 12864, 13616, 14208, 14874, 18492, 19832, 20424, 24656, 25728, 27232, 29748, 36984, 39664, 40848, 49312, 54464, 57017, 59496, 73968, 79328, 81696, 98624, 108928, 114034, 118992, 147936, 158656, 163392, 171051, 197248, 228068, 237984, 295872, 317312, 326784, 342102, 456136, 475968, 591744, 684204, 912272, 951936, 1368408, 1824544, 2736816, 3649088, 5473632, 7298176, 10947264, 21894528]

約数ペア:

[(1, 21894528), (2, 10947264), (3, 7298176), (4, 5473632), (6, 3649088), (8, 2736816), (12, 1824544), (16, 1368408), (23, 951936), (24, 912272), (32, 684204), (37, 591744), (46, 475968), (48, 456136), (64, 342102), (67, 326784), (69, 317312), (74, 295872), (92, 237984), (96, 228068), (111, 197248), (128, 171051), (134, 163392), (138, 158656), (148, 147936), (184, 118992), (192, 114034), (201, 108928), (222, 98624), (268, 81696), (276, 79328), (296, 73968), (368, 59496), (384, 57017), (402, 54464), (444, 49312), (536, 40848), (552, 39664), (592, 36984), (736, 29748), (804, 27232), (851, 25728), (888, 24656), (1072, 20424), (1104, 19832), (1184, 18492), (1472, 14874), (1541, 14208), (1608, 13616), (1702, 12864), (1776, 12328), (2144, 10212), (2208, 9916), (2368, 9246), (2479, 8832), (2553, 8576), (2944, 7437), (3082, 7104), (3216, 6808), (3404, 6432), (3552, 6164), (4288, 5106), (4416, 4958), (4623, 4736)]