21372672

素因数分解:

$2^8\times 3^1\times {\mathrm{17}}^1\times {\mathrm{1637}}^1$

素因数の和:1673

約数の個数: 72

約数和(自身を含む): 60265296

約数和(自身を除く): 38892624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 256, 272, 384, 408, 544, 768, 816, 1088, 1632, 1637, 2176, 3264, 3274, 4352, 4911, 6528, 6548, 9822, 13056, 13096, 19644, 26192, 27829, 39288, 52384, 55658, 78576, 83487, 104768, 111316, 157152, 166974, 209536, 222632, 314304, 333948, 419072, 445264, 628608, 667896, 890528, 1257216, 1335792, 1781056, 2671584, 3562112, 5343168, 7124224, 10686336, 21372672]

約数ペア:

[(1, 21372672), (2, 10686336), (3, 7124224), (4, 5343168), (6, 3562112), (8, 2671584), (12, 1781056), (16, 1335792), (17, 1257216), (24, 890528), (32, 667896), (34, 628608), (48, 445264), (51, 419072), (64, 333948), (68, 314304), (96, 222632), (102, 209536), (128, 166974), (136, 157152), (192, 111316), (204, 104768), (256, 83487), (272, 78576), (384, 55658), (408, 52384), (544, 39288), (768, 27829), (816, 26192), (1088, 19644), (1632, 13096), (1637, 13056), (2176, 9822), (3264, 6548), (3274, 6528), (4352, 4911)]