21805728

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{877}}^1$

素因数の和:934

約数の個数: 96

約数和(自身を含む): 67261824

約数和(自身を除く): 45456096

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, 877, 888, 1036, 1184, 1554, 1754, 1776, 2072, 2631, 3108, 3508, 3552, 4144, 5262, 6139, 6216, 7016, 8288, 10524, 12278, 12432, 14032, 18417, 21048, 24556, 24864, 28064, 32449, 36834, 42096, 49112, 64898, 73668, 84192, 97347, 98224, 129796, 147336, 194694, 196448, 227143, 259592, 294672, 389388, 454286, 519184, 589344, 681429, 778776, 908572, 1038368, 1362858, 1557552, 1817144, 2725716, 3115104, 3634288, 5451432, 7268576, 10902864, 21805728]

約数ペア:

[(1, 21805728), (2, 10902864), (3, 7268576), (4, 5451432), (6, 3634288), (7, 3115104), (8, 2725716), (12, 1817144), (14, 1557552), (16, 1362858), (21, 1038368), (24, 908572), (28, 778776), (32, 681429), (37, 589344), (42, 519184), (48, 454286), (56, 389388), (74, 294672), (84, 259592), (96, 227143), (111, 196448), (112, 194694), (148, 147336), (168, 129796), (222, 98224), (224, 97347), (259, 84192), (296, 73668), (336, 64898), (444, 49112), (518, 42096), (592, 36834), (672, 32449), (777, 28064), (877, 24864), (888, 24556), (1036, 21048), (1184, 18417), (1554, 14032), (1754, 12432), (1776, 12278), (2072, 10524), (2631, 8288), (3108, 7016), (3508, 6216), (3552, 6139), (4144, 5262)]