21649670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 50528448

約数和(自身を除く): 28878778

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 34, 35, 46, 49, 70, 85, 98, 113, 115, 119, 161, 170, 226, 230, 238, 245, 322, 391, 490, 565, 595, 782, 791, 805, 833, 1127, 1130, 1190, 1582, 1610, 1666, 1921, 1955, 2254, 2599, 2737, 3842, 3910, 3955, 4165, 5198, 5474, 5537, 5635, 7910, 8330, 9605, 11074, 11270, 12995, 13447, 13685, 18193, 19159, 19210, 25990, 26894, 27370, 27685, 36386, 38318, 44183, 55370, 67235, 88366, 90965, 94129, 95795, 127351, 134470, 181930, 188258, 191590, 220915, 254702, 309281, 441830, 470645, 618562, 636755, 941290, 1273510, 1546405, 2164967, 3092810, 4329934, 10824835, 21649670]

約数ペア:

[(1, 21649670), (2, 10824835), (5, 4329934), (7, 3092810), (10, 2164967), (14, 1546405), (17, 1273510), (23, 941290), (34, 636755), (35, 618562), (46, 470645), (49, 441830), (70, 309281), (85, 254702), (98, 220915), (113, 191590), (115, 188258), (119, 181930), (161, 134470), (170, 127351), (226, 95795), (230, 94129), (238, 90965), (245, 88366), (322, 67235), (391, 55370), (490, 44183), (565, 38318), (595, 36386), (782, 27685), (791, 27370), (805, 26894), (833, 25990), (1127, 19210), (1130, 19159), (1190, 18193), (1582, 13685), (1610, 13447), (1666, 12995), (1921, 11270), (1955, 11074), (2254, 9605), (2599, 8330), (2737, 7910), (3842, 5635), (3910, 5537), (3955, 5474), (4165, 5198)]