21913720416

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{1552843}}^1$

素因数の和:1552873

約数の個数: 108

約数和(自身を含む): 72491416452

約数和(自身を除く): 50577696036

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 224, 252, 288, 294, 336, 392, 441, 504, 588, 672, 784, 882, 1008, 1176, 1568, 1764, 2016, 2352, 3528, 4704, 7056, 14112, 1552843, 3105686, 4658529, 6211372, 9317058, 10869901, 12422744, 13975587, 18634116, 21739802, 24845488, 27951174, 32609703, 37268232, 43479604, 49690976, 55902348, 65219406, 74536464, 76089307, 86959208, 97829109, 111804696, 130438812, 149072928, 152178614, 173918416, 195658218, 223609392, 228267921, 260877624, 304357228, 347836832, 391316436, 447218784, 456535842, 521755248, 608714456, 684803763, 782632872, 913071684, 1043510496, 1217428912, 1369607526, 1565265744, 1826143368, 2434857824, 2739215052, 3130531488, 3652286736, 5478430104, 7304573472, 10956860208, 21913720416]

約数ペア:

[(1, 21913720416), (2, 10956860208), (3, 7304573472), (4, 5478430104), (6, 3652286736), (7, 3130531488), (8, 2739215052), (9, 2434857824), (12, 1826143368), (14, 1565265744), (16, 1369607526), (18, 1217428912), (21, 1043510496), (24, 913071684), (28, 782632872), (32, 684803763), (36, 608714456), (42, 521755248), (48, 456535842), (49, 447218784), (56, 391316436), (63, 347836832), (72, 304357228), (84, 260877624), (96, 228267921), (98, 223609392), (112, 195658218), (126, 173918416), (144, 152178614), (147, 149072928), (168, 130438812), (196, 111804696), (224, 97829109), (252, 86959208), (288, 76089307), (294, 74536464), (336, 65219406), (392, 55902348), (441, 49690976), (504, 43479604), (588, 37268232), (672, 32609703), (784, 27951174), (882, 24845488), (1008, 21739802), (1176, 18634116), (1568, 13975587), (1764, 12422744), (2016, 10869901), (2352, 9317058), (3528, 6211372), (4704, 4658529), (7056, 3105686), (14112, 1552843)]