21066804

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:307

約数の個数: 120

約数和(自身を含む): 62935488

約数和(自身を除く): 41868684

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 27, 33, 36, 44, 46, 54, 66, 69, 81, 92, 99, 108, 132, 138, 162, 198, 207, 253, 257, 276, 297, 324, 396, 414, 506, 514, 594, 621, 759, 771, 828, 891, 1012, 1028, 1188, 1242, 1518, 1542, 1782, 1863, 2277, 2313, 2484, 2827, 3036, 3084, 3564, 3726, 4554, 4626, 5654, 5911, 6831, 6939, 7452, 8481, 9108, 9252, 11308, 11822, 13662, 13878, 16962, 17733, 20493, 20817, 23644, 25443, 27324, 27756, 33924, 35466, 40986, 41634, 50886, 53199, 65021, 70932, 76329, 81972, 83268, 101772, 106398, 130042, 152658, 159597, 195063, 212796, 228987, 260084, 305316, 319194, 390126, 457974, 478791, 585189, 638388, 780252, 915948, 957582, 1170378, 1755567, 1915164, 2340756, 3511134, 5266701, 7022268, 10533402, 21066804]

約数ペア:

[(1, 21066804), (2, 10533402), (3, 7022268), (4, 5266701), (6, 3511134), (9, 2340756), (11, 1915164), (12, 1755567), (18, 1170378), (22, 957582), (23, 915948), (27, 780252), (33, 638388), (36, 585189), (44, 478791), (46, 457974), (54, 390126), (66, 319194), (69, 305316), (81, 260084), (92, 228987), (99, 212796), (108, 195063), (132, 159597), (138, 152658), (162, 130042), (198, 106398), (207, 101772), (253, 83268), (257, 81972), (276, 76329), (297, 70932), (324, 65021), (396, 53199), (414, 50886), (506, 41634), (514, 40986), (594, 35466), (621, 33924), (759, 27756), (771, 27324), (828, 25443), (891, 23644), (1012, 20817), (1028, 20493), (1188, 17733), (1242, 16962), (1518, 13878), (1542, 13662), (1782, 11822), (1863, 11308), (2277, 9252), (2313, 9108), (2484, 8481), (2827, 7452), (3036, 6939), (3084, 6831), (3564, 5911), (3726, 5654), (4554, 4626)]