21561552

素因数分解:

$2^4\times 3^4\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:278

約数の個数: 100

約数和(自身を含む): 63376896

約数和(自身を除く): 41815344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 127, 131, 144, 162, 216, 254, 262, 324, 381, 393, 432, 508, 524, 648, 762, 786, 1016, 1048, 1143, 1179, 1296, 1524, 1572, 2032, 2096, 2286, 2358, 3048, 3144, 3429, 3537, 4572, 4716, 6096, 6288, 6858, 7074, 9144, 9432, 10287, 10611, 13716, 14148, 16637, 18288, 18864, 20574, 21222, 27432, 28296, 33274, 41148, 42444, 49911, 54864, 56592, 66548, 82296, 84888, 99822, 133096, 149733, 164592, 169776, 199644, 266192, 299466, 399288, 449199, 598932, 798576, 898398, 1197864, 1347597, 1796796, 2395728, 2695194, 3593592, 5390388, 7187184, 10780776, 21561552]

約数ペア:

[(1, 21561552), (2, 10780776), (3, 7187184), (4, 5390388), (6, 3593592), (8, 2695194), (9, 2395728), (12, 1796796), (16, 1347597), (18, 1197864), (24, 898398), (27, 798576), (36, 598932), (48, 449199), (54, 399288), (72, 299466), (81, 266192), (108, 199644), (127, 169776), (131, 164592), (144, 149733), (162, 133096), (216, 99822), (254, 84888), (262, 82296), (324, 66548), (381, 56592), (393, 54864), (432, 49911), (508, 42444), (524, 41148), (648, 33274), (762, 28296), (786, 27432), (1016, 21222), (1048, 20574), (1143, 18864), (1179, 18288), (1296, 16637), (1524, 14148), (1572, 13716), (2032, 10611), (2096, 10287), (2286, 9432), (2358, 9144), (3048, 7074), (3144, 6858), (3429, 6288), (3537, 6096), (4572, 4716)]