21141472

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3533}}^1$

素因数の和:3571

約数の個数: 48

約数和(自身を含む): 48090672

約数和(自身を除く): 26949200

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3533, 5984, 7066, 14132, 28264, 38863, 56528, 60061, 77726, 113056, 120122, 155452, 240244, 310904, 480488, 621808, 660671, 960976, 1243616, 1321342, 1921952, 2642684, 5285368, 10570736, 21141472]

約数ペア:

[(1, 21141472), (2, 10570736), (4, 5285368), (8, 2642684), (11, 1921952), (16, 1321342), (17, 1243616), (22, 960976), (32, 660671), (34, 621808), (44, 480488), (68, 310904), (88, 240244), (136, 155452), (176, 120122), (187, 113056), (272, 77726), (352, 60061), (374, 56528), (544, 38863), (748, 28264), (1496, 14132), (2992, 7066), (3533, 5984)]