21038724

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1637}}^1$

素因数の和:1674

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 45005436

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 84, 102, 108, 119, 126, 153, 189, 204, 238, 252, 306, 357, 378, 459, 476, 612, 714, 756, 918, 1071, 1428, 1637, 1836, 2142, 3213, 3274, 4284, 4911, 6426, 6548, 9822, 11459, 12852, 14733, 19644, 22918, 27829, 29466, 34377, 44199, 45836, 55658, 58932, 68754, 83487, 88398, 103131, 111316, 137508, 166974, 176796, 194803, 206262, 250461, 309393, 333948, 389606, 412524, 500922, 584409, 618786, 751383, 779212, 1001844, 1168818, 1237572, 1502766, 1753227, 2337636, 3005532, 3506454, 5259681, 7012908, 10519362, 21038724]

約数ペア:

[(1, 21038724), (2, 10519362), (3, 7012908), (4, 5259681), (6, 3506454), (7, 3005532), (9, 2337636), (12, 1753227), (14, 1502766), (17, 1237572), (18, 1168818), (21, 1001844), (27, 779212), (28, 751383), (34, 618786), (36, 584409), (42, 500922), (51, 412524), (54, 389606), (63, 333948), (68, 309393), (84, 250461), (102, 206262), (108, 194803), (119, 176796), (126, 166974), (153, 137508), (189, 111316), (204, 103131), (238, 88398), (252, 83487), (306, 68754), (357, 58932), (378, 55658), (459, 45836), (476, 44199), (612, 34377), (714, 29466), (756, 27829), (918, 22918), (1071, 19644), (1428, 14733), (1637, 12852), (1836, 11459), (2142, 9822), (3213, 6548), (3274, 6426), (4284, 4911)]