21024960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1$

素因数の和:223

約数の個数: 168

約数和(自身を含む): 73779888

約数和(自身を除く): 52754928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 121, 132, 160, 165, 176, 181, 192, 220, 240, 242, 264, 320, 330, 352, 362, 363, 440, 480, 484, 528, 543, 605, 660, 704, 724, 726, 880, 905, 960, 968, 1056, 1086, 1210, 1320, 1448, 1452, 1760, 1810, 1815, 1936, 1991, 2112, 2172, 2420, 2640, 2715, 2896, 2904, 3520, 3620, 3630, 3872, 3982, 4344, 4840, 5280, 5430, 5792, 5808, 5973, 7240, 7260, 7744, 7964, 8688, 9680, 9955, 10560, 10860, 11584, 11616, 11946, 14480, 14520, 15928, 17376, 19360, 19910, 21720, 21901, 23232, 23892, 28960, 29040, 29865, 31856, 34752, 38720, 39820, 43440, 43802, 47784, 57920, 58080, 59730, 63712, 65703, 79640, 86880, 87604, 95568, 109505, 116160, 119460, 127424, 131406, 159280, 173760, 175208, 191136, 219010, 238920, 262812, 318560, 328515, 350416, 382272, 438020, 477840, 525624, 637120, 657030, 700832, 876040, 955680, 1051248, 1314060, 1401664, 1752080, 1911360, 2102496, 2628120, 3504160, 4204992, 5256240, 7008320, 10512480, 21024960]

約数ペア:

[(1, 21024960), (2, 10512480), (3, 7008320), (4, 5256240), (5, 4204992), (6, 3504160), (8, 2628120), (10, 2102496), (11, 1911360), (12, 1752080), (15, 1401664), (16, 1314060), (20, 1051248), (22, 955680), (24, 876040), (30, 700832), (32, 657030), (33, 637120), (40, 525624), (44, 477840), (48, 438020), (55, 382272), (60, 350416), (64, 328515), (66, 318560), (80, 262812), (88, 238920), (96, 219010), (110, 191136), (120, 175208), (121, 173760), (132, 159280), (160, 131406), (165, 127424), (176, 119460), (181, 116160), (192, 109505), (220, 95568), (240, 87604), (242, 86880), (264, 79640), (320, 65703), (330, 63712), (352, 59730), (362, 58080), (363, 57920), (440, 47784), (480, 43802), (484, 43440), (528, 39820), (543, 38720), (605, 34752), (660, 31856), (704, 29865), (724, 29040), (726, 28960), (880, 23892), (905, 23232), (960, 21901), (968, 21720), (1056, 19910), (1086, 19360), (1210, 17376), (1320, 15928), (1448, 14520), (1452, 14480), (1760, 11946), (1810, 11616), (1815, 11584), (1936, 10860), (1991, 10560), (2112, 9955), (2172, 9680), (2420, 8688), (2640, 7964), (2715, 7744), (2896, 7260), (2904, 7240), (3520, 5973), (3620, 5808), (3630, 5792), (3872, 5430), (3982, 5280), (4344, 4840)]