21022992

素因数分解:

$2^4\times 3^2\times {\mathrm{67}}^1\times {\mathrm{2179}}^1$

素因数の和:2260

約数の個数: 60

約数和(自身を含む): 59740720

約数和(自身を除く): 38717728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 67, 72, 134, 144, 201, 268, 402, 536, 603, 804, 1072, 1206, 1608, 2179, 2412, 3216, 4358, 4824, 6537, 8716, 9648, 13074, 17432, 19611, 26148, 34864, 39222, 52296, 78444, 104592, 145993, 156888, 291986, 313776, 437979, 583972, 875958, 1167944, 1313937, 1751916, 2335888, 2627874, 3503832, 5255748, 7007664, 10511496, 21022992]

約数ペア:

[(1, 21022992), (2, 10511496), (3, 7007664), (4, 5255748), (6, 3503832), (8, 2627874), (9, 2335888), (12, 1751916), (16, 1313937), (18, 1167944), (24, 875958), (36, 583972), (48, 437979), (67, 313776), (72, 291986), (134, 156888), (144, 145993), (201, 104592), (268, 78444), (402, 52296), (536, 39222), (603, 34864), (804, 26148), (1072, 19611), (1206, 17432), (1608, 13074), (2179, 9648), (2412, 8716), (3216, 6537), (4358, 4824)]