21640568288

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1\times {\mathrm{811}}^1$

素因数の和:1616

約数の個数: 96

約数和(自身を含む): 45285746688

約数和(自身を除く): 23645178400

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 74, 124, 148, 248, 296, 496, 592, 727, 811, 992, 1147, 1184, 1454, 1622, 2294, 2908, 3244, 4588, 5816, 6488, 9176, 11632, 12976, 18352, 22537, 23264, 25141, 25952, 26899, 30007, 36704, 45074, 50282, 53798, 60014, 90148, 100564, 107596, 120028, 180296, 201128, 215192, 240056, 360592, 402256, 430384, 480112, 589597, 721184, 804512, 833869, 860768, 930217, 960224, 1179194, 1667738, 1860434, 2358388, 3335476, 3720868, 4716776, 6670952, 7441736, 9433552, 13341904, 14883472, 18277507, 18867104, 21815089, 26683808, 29766944, 36555014, 43630178, 73110028, 87260356, 146220056, 174520712, 292440112, 349041424, 584880224, 676267759, 698082848, 1352535518, 2705071036, 5410142072, 10820284144, 21640568288]

約数ペア:

[(1, 21640568288), (2, 10820284144), (4, 5410142072), (8, 2705071036), (16, 1352535518), (31, 698082848), (32, 676267759), (37, 584880224), (62, 349041424), (74, 292440112), (124, 174520712), (148, 146220056), (248, 87260356), (296, 73110028), (496, 43630178), (592, 36555014), (727, 29766944), (811, 26683808), (992, 21815089), (1147, 18867104), (1184, 18277507), (1454, 14883472), (1622, 13341904), (2294, 9433552), (2908, 7441736), (3244, 6670952), (4588, 4716776), (5816, 3720868), (6488, 3335476), (9176, 2358388), (11632, 1860434), (12976, 1667738), (18352, 1179194), (22537, 960224), (23264, 930217), (25141, 860768), (25952, 833869), (26899, 804512), (30007, 721184), (36704, 589597), (45074, 480112), (50282, 430384), (53798, 402256), (60014, 360592), (90148, 240056), (100564, 215192), (107596, 201128), (120028, 180296)]