21845712

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{823}}^1$

素因数の和:920

約数の個数: 80

約数和(自身を含む): 65392640

約数和(自身を除く): 43546928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 79, 84, 112, 158, 168, 237, 316, 336, 474, 553, 632, 823, 948, 1106, 1264, 1646, 1659, 1896, 2212, 2469, 3292, 3318, 3792, 4424, 4938, 5761, 6584, 6636, 8848, 9876, 11522, 13168, 13272, 17283, 19752, 23044, 26544, 34566, 39504, 46088, 65017, 69132, 92176, 130034, 138264, 195051, 260068, 276528, 390102, 455119, 520136, 780204, 910238, 1040272, 1365357, 1560408, 1820476, 2730714, 3120816, 3640952, 5461428, 7281904, 10922856, 21845712]

約数ペア:

[(1, 21845712), (2, 10922856), (3, 7281904), (4, 5461428), (6, 3640952), (7, 3120816), (8, 2730714), (12, 1820476), (14, 1560408), (16, 1365357), (21, 1040272), (24, 910238), (28, 780204), (42, 520136), (48, 455119), (56, 390102), (79, 276528), (84, 260068), (112, 195051), (158, 138264), (168, 130034), (237, 92176), (316, 69132), (336, 65017), (474, 46088), (553, 39504), (632, 34566), (823, 26544), (948, 23044), (1106, 19752), (1264, 17283), (1646, 13272), (1659, 13168), (1896, 11522), (2212, 9876), (2469, 8848), (3292, 6636), (3318, 6584), (3792, 5761), (4424, 4938)]