21244410

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:361

約数の個数: 128

約数和(自身を含む): 64696320

約数和(自身を除く): 43451910

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 27, 30, 33, 45, 46, 54, 55, 66, 69, 90, 99, 110, 115, 135, 138, 165, 198, 207, 230, 253, 270, 297, 311, 330, 345, 414, 495, 506, 594, 621, 622, 690, 759, 933, 990, 1035, 1242, 1265, 1485, 1518, 1555, 1866, 2070, 2277, 2530, 2799, 2970, 3105, 3110, 3421, 3795, 4554, 4665, 5598, 6210, 6831, 6842, 7153, 7590, 8397, 9330, 10263, 11385, 13662, 13995, 14306, 16794, 17105, 20526, 21459, 22770, 27990, 30789, 34155, 34210, 35765, 41985, 42918, 51315, 61578, 64377, 68310, 71530, 78683, 83970, 92367, 102630, 107295, 128754, 153945, 157366, 184734, 193131, 214590, 236049, 307890, 321885, 386262, 393415, 461835, 472098, 643770, 708147, 786830, 923670, 965655, 1180245, 1416294, 1931310, 2124441, 2360490, 3540735, 4248882, 7081470, 10622205, 21244410]

約数ペア:

[(1, 21244410), (2, 10622205), (3, 7081470), (5, 4248882), (6, 3540735), (9, 2360490), (10, 2124441), (11, 1931310), (15, 1416294), (18, 1180245), (22, 965655), (23, 923670), (27, 786830), (30, 708147), (33, 643770), (45, 472098), (46, 461835), (54, 393415), (55, 386262), (66, 321885), (69, 307890), (90, 236049), (99, 214590), (110, 193131), (115, 184734), (135, 157366), (138, 153945), (165, 128754), (198, 107295), (207, 102630), (230, 92367), (253, 83970), (270, 78683), (297, 71530), (311, 68310), (330, 64377), (345, 61578), (414, 51315), (495, 42918), (506, 41985), (594, 35765), (621, 34210), (622, 34155), (690, 30789), (759, 27990), (933, 22770), (990, 21459), (1035, 20526), (1242, 17105), (1265, 16794), (1485, 14306), (1518, 13995), (1555, 13662), (1866, 11385), (2070, 10263), (2277, 9330), (2530, 8397), (2799, 7590), (2970, 7153), (3105, 6842), (3110, 6831), (3421, 6210), (3795, 5598), (4554, 4665)]