21385224

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 66867840

約数和(自身を除く): 45482616

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 151, 168, 252, 281, 302, 453, 504, 562, 604, 843, 906, 1057, 1124, 1208, 1359, 1686, 1812, 1967, 2114, 2248, 2529, 2718, 3171, 3372, 3624, 3934, 4228, 5058, 5436, 5901, 6342, 6744, 7868, 8456, 9513, 10116, 10872, 11802, 12684, 15736, 17703, 19026, 20232, 23604, 25368, 35406, 38052, 42431, 47208, 70812, 76104, 84862, 127293, 141624, 169724, 254586, 297017, 339448, 381879, 509172, 594034, 763758, 891051, 1018344, 1188068, 1527516, 1782102, 2376136, 2673153, 3055032, 3564204, 5346306, 7128408, 10692612, 21385224]

約数ペア:

[(1, 21385224), (2, 10692612), (3, 7128408), (4, 5346306), (6, 3564204), (7, 3055032), (8, 2673153), (9, 2376136), (12, 1782102), (14, 1527516), (18, 1188068), (21, 1018344), (24, 891051), (28, 763758), (36, 594034), (42, 509172), (56, 381879), (63, 339448), (72, 297017), (84, 254586), (126, 169724), (151, 141624), (168, 127293), (252, 84862), (281, 76104), (302, 70812), (453, 47208), (504, 42431), (562, 38052), (604, 35406), (843, 25368), (906, 23604), (1057, 20232), (1124, 19026), (1208, 17703), (1359, 15736), (1686, 12684), (1812, 11802), (1967, 10872), (2114, 10116), (2248, 9513), (2529, 8456), (2718, 7868), (3171, 6744), (3372, 6342), (3624, 5901), (3934, 5436), (4228, 5058)]