21653892

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 62752536

約数和(自身を除く): 41098644

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 53, 54, 78, 81, 97, 106, 108, 117, 156, 159, 162, 194, 212, 234, 291, 318, 324, 351, 388, 468, 477, 582, 636, 689, 702, 873, 954, 1053, 1164, 1261, 1378, 1404, 1431, 1746, 1908, 2067, 2106, 2522, 2619, 2756, 2862, 3492, 3783, 4134, 4212, 4293, 5044, 5141, 5238, 5724, 6201, 7566, 7857, 8268, 8586, 10282, 10476, 11349, 12402, 15132, 15423, 15714, 17172, 18603, 20564, 22698, 24804, 30846, 31428, 34047, 37206, 45396, 46269, 55809, 61692, 66833, 68094, 74412, 92538, 102141, 111618, 133666, 136188, 138807, 185076, 200499, 204282, 223236, 267332, 277614, 400998, 408564, 416421, 555228, 601497, 801996, 832842, 1202994, 1665684, 1804491, 2405988, 3608982, 5413473, 7217964, 10826946, 21653892]

約数ペア:

[(1, 21653892), (2, 10826946), (3, 7217964), (4, 5413473), (6, 3608982), (9, 2405988), (12, 1804491), (13, 1665684), (18, 1202994), (26, 832842), (27, 801996), (36, 601497), (39, 555228), (52, 416421), (53, 408564), (54, 400998), (78, 277614), (81, 267332), (97, 223236), (106, 204282), (108, 200499), (117, 185076), (156, 138807), (159, 136188), (162, 133666), (194, 111618), (212, 102141), (234, 92538), (291, 74412), (318, 68094), (324, 66833), (351, 61692), (388, 55809), (468, 46269), (477, 45396), (582, 37206), (636, 34047), (689, 31428), (702, 30846), (873, 24804), (954, 22698), (1053, 20564), (1164, 18603), (1261, 17172), (1378, 15714), (1404, 15423), (1431, 15132), (1746, 12402), (1908, 11349), (2067, 10476), (2106, 10282), (2522, 8586), (2619, 8268), (2756, 7857), (2862, 7566), (3492, 6201), (3783, 5724), (4134, 5238), (4212, 5141), (4293, 5044)]