21648528

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:277

約数の個数: 120

約数和(自身を含む): 67317120

約数和(自身を除く): 45668592

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 79, 88, 99, 132, 144, 158, 173, 176, 198, 237, 264, 316, 346, 396, 474, 519, 528, 632, 692, 711, 792, 869, 948, 1038, 1264, 1384, 1422, 1557, 1584, 1738, 1896, 1903, 2076, 2607, 2768, 2844, 3114, 3476, 3792, 3806, 4152, 5214, 5688, 5709, 6228, 6952, 7612, 7821, 8304, 10428, 11376, 11418, 12456, 13667, 13904, 15224, 15642, 17127, 20856, 22836, 24912, 27334, 30448, 31284, 34254, 41001, 41712, 45672, 54668, 62568, 68508, 82002, 91344, 109336, 123003, 125136, 137016, 150337, 164004, 218672, 246006, 274032, 300674, 328008, 451011, 492012, 601348, 656016, 902022, 984024, 1202696, 1353033, 1804044, 1968048, 2405392, 2706066, 3608088, 5412132, 7216176, 10824264, 21648528]

約数ペア:

[(1, 21648528), (2, 10824264), (3, 7216176), (4, 5412132), (6, 3608088), (8, 2706066), (9, 2405392), (11, 1968048), (12, 1804044), (16, 1353033), (18, 1202696), (22, 984024), (24, 902022), (33, 656016), (36, 601348), (44, 492012), (48, 451011), (66, 328008), (72, 300674), (79, 274032), (88, 246006), (99, 218672), (132, 164004), (144, 150337), (158, 137016), (173, 125136), (176, 123003), (198, 109336), (237, 91344), (264, 82002), (316, 68508), (346, 62568), (396, 54668), (474, 45672), (519, 41712), (528, 41001), (632, 34254), (692, 31284), (711, 30448), (792, 27334), (869, 24912), (948, 22836), (1038, 20856), (1264, 17127), (1384, 15642), (1422, 15224), (1557, 13904), (1584, 13667), (1738, 12456), (1896, 11418), (1903, 11376), (2076, 10428), (2607, 8304), (2768, 7821), (2844, 7612), (3114, 6952), (3476, 6228), (3792, 5709), (3806, 5688), (4152, 5214)]