21672042

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 53084160

約数和(自身を除く): 31412118

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 127, 238, 239, 254, 357, 381, 478, 714, 717, 762, 889, 1434, 1673, 1778, 2159, 2667, 3346, 4063, 4318, 5019, 5334, 6477, 8126, 10038, 12189, 12954, 15113, 24378, 28441, 30226, 30353, 45339, 56882, 60706, 85323, 90678, 91059, 170646, 182118, 212471, 424942, 516001, 637413, 1032002, 1274826, 1548003, 3096006, 3612007, 7224014, 10836021, 21672042]

約数ペア:

[(1, 21672042), (2, 10836021), (3, 7224014), (6, 3612007), (7, 3096006), (14, 1548003), (17, 1274826), (21, 1032002), (34, 637413), (42, 516001), (51, 424942), (102, 212471), (119, 182118), (127, 170646), (238, 91059), (239, 90678), (254, 85323), (357, 60706), (381, 56882), (478, 45339), (714, 30353), (717, 30226), (762, 28441), (889, 24378), (1434, 15113), (1673, 12954), (1778, 12189), (2159, 10038), (2667, 8126), (3346, 6477), (4063, 5334), (4318, 5019)]