21303342

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1103}}^1$

素因数の和:1177

約数の個数: 48

約数和(自身を含む): 49083840

約数和(自身を除く): 27780498

約数列:

[1, 2, 3, 6, 9, 18, 29, 37, 58, 74, 87, 111, 174, 222, 261, 333, 522, 666, 1073, 1103, 2146, 2206, 3219, 3309, 6438, 6618, 9657, 9927, 19314, 19854, 31987, 40811, 63974, 81622, 95961, 122433, 191922, 244866, 287883, 367299, 575766, 734598, 1183519, 2367038, 3550557, 7101114, 10651671, 21303342]

約数ペア:

[(1, 21303342), (2, 10651671), (3, 7101114), (6, 3550557), (9, 2367038), (18, 1183519), (29, 734598), (37, 575766), (58, 367299), (74, 287883), (87, 244866), (111, 191922), (174, 122433), (222, 95961), (261, 81622), (333, 63974), (522, 40811), (666, 31987), (1073, 19854), (1103, 19314), (2146, 9927), (2206, 9657), (3219, 6618), (3309, 6438)]