21544712

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 51525720

約数和(自身を除く): 29981008

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 53, 56, 61, 68, 98, 106, 119, 122, 136, 196, 212, 238, 244, 371, 392, 424, 427, 476, 488, 742, 833, 854, 901, 952, 1037, 1484, 1666, 1708, 1802, 2074, 2597, 2968, 2989, 3233, 3332, 3416, 3604, 4148, 5194, 5978, 6307, 6466, 6664, 7208, 7259, 8296, 10388, 11956, 12614, 12932, 14518, 20776, 22631, 23912, 25228, 25864, 29036, 44149, 45262, 50456, 50813, 54961, 58072, 88298, 90524, 101626, 109922, 158417, 176596, 181048, 203252, 219844, 316834, 353192, 384727, 406504, 439688, 633668, 769454, 1267336, 1538908, 2693089, 3077816, 5386178, 10772356, 21544712]

約数ペア:

[(1, 21544712), (2, 10772356), (4, 5386178), (7, 3077816), (8, 2693089), (14, 1538908), (17, 1267336), (28, 769454), (34, 633668), (49, 439688), (53, 406504), (56, 384727), (61, 353192), (68, 316834), (98, 219844), (106, 203252), (119, 181048), (122, 176596), (136, 158417), (196, 109922), (212, 101626), (238, 90524), (244, 88298), (371, 58072), (392, 54961), (424, 50813), (427, 50456), (476, 45262), (488, 44149), (742, 29036), (833, 25864), (854, 25228), (901, 23912), (952, 22631), (1037, 20776), (1484, 14518), (1666, 12932), (1708, 12614), (1802, 11956), (2074, 10388), (2597, 8296), (2968, 7259), (2989, 7208), (3233, 6664), (3332, 6466), (3416, 6307), (3604, 5978), (4148, 5194)]