21020472

素因数分解:

$2^3\times 3^5\times {\mathrm{11}}^1\times {\mathrm{983}}^1$

素因数の和:1015

約数の個数: 96

約数和(自身を含む): 64471680

約数和(自身を除く): 43451208

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 81, 88, 99, 108, 132, 162, 198, 216, 243, 264, 297, 324, 396, 486, 594, 648, 792, 891, 972, 983, 1188, 1782, 1944, 1966, 2376, 2673, 2949, 3564, 3932, 5346, 5898, 7128, 7864, 8847, 10692, 10813, 11796, 17694, 21384, 21626, 23592, 26541, 32439, 35388, 43252, 53082, 64878, 70776, 79623, 86504, 97317, 106164, 129756, 159246, 194634, 212328, 238869, 259512, 291951, 318492, 389268, 477738, 583902, 636984, 778536, 875853, 955476, 1167804, 1751706, 1910952, 2335608, 2627559, 3503412, 5255118, 7006824, 10510236, 21020472]

約数ペア:

[(1, 21020472), (2, 10510236), (3, 7006824), (4, 5255118), (6, 3503412), (8, 2627559), (9, 2335608), (11, 1910952), (12, 1751706), (18, 1167804), (22, 955476), (24, 875853), (27, 778536), (33, 636984), (36, 583902), (44, 477738), (54, 389268), (66, 318492), (72, 291951), (81, 259512), (88, 238869), (99, 212328), (108, 194634), (132, 159246), (162, 129756), (198, 106164), (216, 97317), (243, 86504), (264, 79623), (297, 70776), (324, 64878), (396, 53082), (486, 43252), (594, 35388), (648, 32439), (792, 26541), (891, 23592), (972, 21626), (983, 21384), (1188, 17694), (1782, 11796), (1944, 10813), (1966, 10692), (2376, 8847), (2673, 7864), (2949, 7128), (3564, 5898), (3932, 5346)]