21394440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{887}}^1$

素因数の和:971

約数の個数: 96

約数和(自身を含む): 70649280

約数和(自身を除く): 49254840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 67, 72, 90, 120, 134, 180, 201, 268, 335, 360, 402, 536, 603, 670, 804, 887, 1005, 1206, 1340, 1608, 1774, 2010, 2412, 2661, 2680, 3015, 3548, 4020, 4435, 4824, 5322, 6030, 7096, 7983, 8040, 8870, 10644, 12060, 13305, 15966, 17740, 21288, 24120, 26610, 31932, 35480, 39915, 53220, 59429, 63864, 79830, 106440, 118858, 159660, 178287, 237716, 297145, 319320, 356574, 475432, 534861, 594290, 713148, 891435, 1069722, 1188580, 1426296, 1782870, 2139444, 2377160, 2674305, 3565740, 4278888, 5348610, 7131480, 10697220, 21394440]

約数ペア:

[(1, 21394440), (2, 10697220), (3, 7131480), (4, 5348610), (5, 4278888), (6, 3565740), (8, 2674305), (9, 2377160), (10, 2139444), (12, 1782870), (15, 1426296), (18, 1188580), (20, 1069722), (24, 891435), (30, 713148), (36, 594290), (40, 534861), (45, 475432), (60, 356574), (67, 319320), (72, 297145), (90, 237716), (120, 178287), (134, 159660), (180, 118858), (201, 106440), (268, 79830), (335, 63864), (360, 59429), (402, 53220), (536, 39915), (603, 35480), (670, 31932), (804, 26610), (887, 24120), (1005, 21288), (1206, 17740), (1340, 15966), (1608, 13305), (1774, 12060), (2010, 10644), (2412, 8870), (2661, 8040), (2680, 7983), (3015, 7096), (3548, 6030), (4020, 5322), (4435, 4824)]