21110760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1777}}^1$

素因数の和:1808

約数の個数: 128

約数和(自身を含む): 76809600

約数和(自身を除く): 55698840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1777, 1980, 2376, 2970, 3554, 3960, 5331, 5940, 7108, 8885, 10662, 11880, 14216, 15993, 17770, 19547, 21324, 26655, 31986, 35540, 39094, 42648, 47979, 53310, 58641, 63972, 71080, 78188, 79965, 95958, 97735, 106620, 117282, 127944, 156376, 159930, 175923, 191916, 195470, 213240, 234564, 239895, 293205, 319860, 351846, 383832, 390940, 469128, 479790, 527769, 586410, 639720, 703692, 781880, 879615, 959580, 1055538, 1172820, 1407384, 1759230, 1919160, 2111076, 2345640, 2638845, 3518460, 4222152, 5277690, 7036920, 10555380, 21110760]

約数ペア:

[(1, 21110760), (2, 10555380), (3, 7036920), (4, 5277690), (5, 4222152), (6, 3518460), (8, 2638845), (9, 2345640), (10, 2111076), (11, 1919160), (12, 1759230), (15, 1407384), (18, 1172820), (20, 1055538), (22, 959580), (24, 879615), (27, 781880), (30, 703692), (33, 639720), (36, 586410), (40, 527769), (44, 479790), (45, 469128), (54, 390940), (55, 383832), (60, 351846), (66, 319860), (72, 293205), (88, 239895), (90, 234564), (99, 213240), (108, 195470), (110, 191916), (120, 175923), (132, 159930), (135, 156376), (165, 127944), (180, 117282), (198, 106620), (216, 97735), (220, 95958), (264, 79965), (270, 78188), (297, 71080), (330, 63972), (360, 58641), (396, 53310), (440, 47979), (495, 42648), (540, 39094), (594, 35540), (660, 31986), (792, 26655), (990, 21324), (1080, 19547), (1188, 17770), (1320, 15993), (1485, 14216), (1777, 11880), (1980, 10662), (2376, 8885), (2970, 7108), (3554, 5940), (3960, 5331)]