21457632

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:920

約数の個数: 96

約数和(自身を含む): 66189312

約数和(自身を除く): 44731680

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 37, 42, 48, 56, 74, 84, 96, 111, 112, 148, 168, 222, 224, 259, 296, 336, 444, 518, 592, 672, 777, 863, 888, 1036, 1184, 1554, 1726, 1776, 2072, 2589, 3108, 3452, 3552, 4144, 5178, 6041, 6216, 6904, 8288, 10356, 12082, 12432, 13808, 18123, 20712, 24164, 24864, 27616, 31931, 36246, 41424, 48328, 63862, 72492, 82848, 95793, 96656, 127724, 144984, 191586, 193312, 223517, 255448, 289968, 383172, 447034, 510896, 579936, 670551, 766344, 894068, 1021792, 1341102, 1532688, 1788136, 2682204, 3065376, 3576272, 5364408, 7152544, 10728816, 21457632]

約数ペア:

[(1, 21457632), (2, 10728816), (3, 7152544), (4, 5364408), (6, 3576272), (7, 3065376), (8, 2682204), (12, 1788136), (14, 1532688), (16, 1341102), (21, 1021792), (24, 894068), (28, 766344), (32, 670551), (37, 579936), (42, 510896), (48, 447034), (56, 383172), (74, 289968), (84, 255448), (96, 223517), (111, 193312), (112, 191586), (148, 144984), (168, 127724), (222, 96656), (224, 95793), (259, 82848), (296, 72492), (336, 63862), (444, 48328), (518, 41424), (592, 36246), (672, 31931), (777, 27616), (863, 24864), (888, 24164), (1036, 20712), (1184, 18123), (1554, 13808), (1726, 12432), (1776, 12082), (2072, 10356), (2589, 8288), (3108, 6904), (3452, 6216), (3552, 6041), (4144, 5178)]