21000984072

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{8629}}^1\times {\mathrm{4409}}^1$

素因数の和:13070

約数の個数: 64

約数和(自身を含む): 54803952000

約数和(自身を除く): 33802967928

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 552, 4409, 8629, 8818, 13227, 17258, 17636, 25887, 26454, 34516, 35272, 51774, 52908, 69032, 101407, 103548, 105816, 198467, 202814, 207096, 304221, 396934, 405628, 595401, 608442, 793868, 811256, 1190802, 1216884, 1587736, 2381604, 2433768, 4763208, 38045261, 76090522, 114135783, 152181044, 228271566, 304362088, 456543132, 875041003, 913086264, 1750082006, 2625123009, 3500164012, 5250246018, 7000328024, 10500492036, 21000984072]

約数ペア:

[(1, 21000984072), (2, 10500492036), (3, 7000328024), (4, 5250246018), (6, 3500164012), (8, 2625123009), (12, 1750082006), (23, 913086264), (24, 875041003), (46, 456543132), (69, 304362088), (92, 228271566), (138, 152181044), (184, 114135783), (276, 76090522), (552, 38045261), (4409, 4763208), (8629, 2433768), (8818, 2381604), (13227, 1587736), (17258, 1216884), (17636, 1190802), (25887, 811256), (26454, 793868), (34516, 608442), (35272, 595401), (51774, 405628), (52908, 396934), (69032, 304221), (101407, 207096), (103548, 202814), (105816, 198467)]