21581364

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{127}}^1$

素因数の和:182

約数の個数: 108

約数和(自身を含む): 62716416

約数和(自身を除く): 41135052

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 49, 51, 68, 84, 98, 102, 119, 127, 147, 196, 204, 238, 254, 289, 294, 357, 381, 476, 508, 578, 588, 714, 762, 833, 867, 889, 1156, 1428, 1524, 1666, 1734, 1778, 2023, 2159, 2499, 2667, 3332, 3468, 3556, 4046, 4318, 4998, 5334, 6069, 6223, 6477, 8092, 8636, 9996, 10668, 12138, 12446, 12954, 14161, 15113, 18669, 24276, 24892, 25908, 28322, 30226, 36703, 37338, 42483, 45339, 56644, 60452, 73406, 74676, 84966, 90678, 105791, 110109, 146812, 169932, 181356, 211582, 220218, 256921, 317373, 423164, 440436, 513842, 634746, 770763, 1027684, 1269492, 1541526, 1798447, 3083052, 3596894, 5395341, 7193788, 10790682, 21581364]

約数ペア:

[(1, 21581364), (2, 10790682), (3, 7193788), (4, 5395341), (6, 3596894), (7, 3083052), (12, 1798447), (14, 1541526), (17, 1269492), (21, 1027684), (28, 770763), (34, 634746), (42, 513842), (49, 440436), (51, 423164), (68, 317373), (84, 256921), (98, 220218), (102, 211582), (119, 181356), (127, 169932), (147, 146812), (196, 110109), (204, 105791), (238, 90678), (254, 84966), (289, 74676), (294, 73406), (357, 60452), (381, 56644), (476, 45339), (508, 42483), (578, 37338), (588, 36703), (714, 30226), (762, 28322), (833, 25908), (867, 24892), (889, 24276), (1156, 18669), (1428, 15113), (1524, 14161), (1666, 12954), (1734, 12446), (1778, 12138), (2023, 10668), (2159, 9996), (2499, 8636), (2667, 8092), (3332, 6477), (3468, 6223), (3556, 6069), (4046, 5334), (4318, 4998)]