21254352

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^2$

素因数の和:157

約数の個数: 120

約数和(自身を含む): 67549248

約数和(自身を除く): 46294896

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 51, 56, 61, 68, 84, 102, 112, 119, 122, 136, 168, 183, 204, 238, 244, 272, 336, 357, 366, 408, 427, 476, 488, 714, 732, 816, 854, 952, 976, 1037, 1281, 1428, 1464, 1708, 1904, 2074, 2562, 2856, 2928, 3111, 3416, 3721, 4148, 5124, 5712, 6222, 6832, 7259, 7442, 8296, 10248, 11163, 12444, 14518, 14884, 16592, 20496, 21777, 22326, 24888, 26047, 29036, 29768, 43554, 44652, 49776, 52094, 58072, 59536, 63257, 78141, 87108, 89304, 104188, 116144, 126514, 156282, 174216, 178608, 189771, 208376, 253028, 312564, 348432, 379542, 416752, 442799, 506056, 625128, 759084, 885598, 1012112, 1250256, 1328397, 1518168, 1771196, 2656794, 3036336, 3542392, 5313588, 7084784, 10627176, 21254352]

約数ペア:

[(1, 21254352), (2, 10627176), (3, 7084784), (4, 5313588), (6, 3542392), (7, 3036336), (8, 2656794), (12, 1771196), (14, 1518168), (16, 1328397), (17, 1250256), (21, 1012112), (24, 885598), (28, 759084), (34, 625128), (42, 506056), (48, 442799), (51, 416752), (56, 379542), (61, 348432), (68, 312564), (84, 253028), (102, 208376), (112, 189771), (119, 178608), (122, 174216), (136, 156282), (168, 126514), (183, 116144), (204, 104188), (238, 89304), (244, 87108), (272, 78141), (336, 63257), (357, 59536), (366, 58072), (408, 52094), (427, 49776), (476, 44652), (488, 43554), (714, 29768), (732, 29036), (816, 26047), (854, 24888), (952, 22326), (976, 21777), (1037, 20496), (1281, 16592), (1428, 14884), (1464, 14518), (1708, 12444), (1904, 11163), (2074, 10248), (2562, 8296), (2856, 7442), (2928, 7259), (3111, 6832), (3416, 6222), (3721, 5712), (4148, 5124)]