21245328

素因数分解:

$2^4\times 3^4\times {\mathrm{13}}^2\times {\mathrm{97}}^1$

素因数の和:143

約数の個数: 150

約数和(自身を含む): 67270434

約数和(自身を除く): 46025106

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 97, 104, 108, 117, 144, 156, 162, 169, 194, 208, 216, 234, 291, 312, 324, 338, 351, 388, 432, 468, 507, 582, 624, 648, 676, 702, 776, 873, 936, 1014, 1053, 1164, 1261, 1296, 1352, 1404, 1521, 1552, 1746, 1872, 2028, 2106, 2328, 2522, 2619, 2704, 2808, 3042, 3492, 3783, 4056, 4212, 4563, 4656, 5044, 5238, 5616, 6084, 6984, 7566, 7857, 8112, 8424, 9126, 10088, 10476, 11349, 12168, 13689, 13968, 15132, 15714, 16393, 16848, 18252, 20176, 20952, 22698, 24336, 27378, 30264, 31428, 32786, 34047, 36504, 41904, 45396, 49179, 54756, 60528, 62856, 65572, 68094, 73008, 90792, 98358, 102141, 109512, 125712, 131144, 136188, 147537, 181584, 196716, 204282, 219024, 262288, 272376, 295074, 393432, 408564, 442611, 544752, 590148, 786864, 817128, 885222, 1180296, 1327833, 1634256, 1770444, 2360592, 2655666, 3540888, 5311332, 7081776, 10622664, 21245328]

約数ペア:

[(1, 21245328), (2, 10622664), (3, 7081776), (4, 5311332), (6, 3540888), (8, 2655666), (9, 2360592), (12, 1770444), (13, 1634256), (16, 1327833), (18, 1180296), (24, 885222), (26, 817128), (27, 786864), (36, 590148), (39, 544752), (48, 442611), (52, 408564), (54, 393432), (72, 295074), (78, 272376), (81, 262288), (97, 219024), (104, 204282), (108, 196716), (117, 181584), (144, 147537), (156, 136188), (162, 131144), (169, 125712), (194, 109512), (208, 102141), (216, 98358), (234, 90792), (291, 73008), (312, 68094), (324, 65572), (338, 62856), (351, 60528), (388, 54756), (432, 49179), (468, 45396), (507, 41904), (582, 36504), (624, 34047), (648, 32786), (676, 31428), (702, 30264), (776, 27378), (873, 24336), (936, 22698), (1014, 20952), (1053, 20176), (1164, 18252), (1261, 16848), (1296, 16393), (1352, 15714), (1404, 15132), (1521, 13968), (1552, 13689), (1746, 12168), (1872, 11349), (2028, 10476), (2106, 10088), (2328, 9126), (2522, 8424), (2619, 8112), (2704, 7857), (2808, 7566), (3042, 6984), (3492, 6084), (3783, 5616), (4056, 5238), (4212, 5044), (4563, 4656)]