21112116

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 55910400

約数和(自身を除く): 34798284

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 31, 38, 57, 58, 62, 76, 87, 93, 103, 114, 116, 124, 174, 186, 206, 228, 309, 348, 372, 412, 551, 589, 618, 899, 1102, 1178, 1236, 1653, 1767, 1798, 1957, 2204, 2356, 2697, 2987, 3193, 3306, 3534, 3596, 3914, 5394, 5871, 5974, 6386, 6612, 7068, 7828, 8961, 9579, 10788, 11742, 11948, 12772, 17081, 17922, 19158, 23484, 34162, 35844, 38316, 51243, 56753, 60667, 68324, 92597, 102486, 113506, 121334, 170259, 182001, 185194, 204972, 227012, 242668, 277791, 340518, 364002, 370388, 555582, 681036, 728004, 1111164, 1759343, 3518686, 5278029, 7037372, 10556058, 21112116]

約数ペア:

[(1, 21112116), (2, 10556058), (3, 7037372), (4, 5278029), (6, 3518686), (12, 1759343), (19, 1111164), (29, 728004), (31, 681036), (38, 555582), (57, 370388), (58, 364002), (62, 340518), (76, 277791), (87, 242668), (93, 227012), (103, 204972), (114, 185194), (116, 182001), (124, 170259), (174, 121334), (186, 113506), (206, 102486), (228, 92597), (309, 68324), (348, 60667), (372, 56753), (412, 51243), (551, 38316), (589, 35844), (618, 34162), (899, 23484), (1102, 19158), (1178, 17922), (1236, 17081), (1653, 12772), (1767, 11948), (1798, 11742), (1957, 10788), (2204, 9579), (2356, 8961), (2697, 7828), (2987, 7068), (3193, 6612), (3306, 6386), (3534, 5974), (3596, 5871), (3914, 5394)]