21360936

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 56505600

約数和(自身を除く): 35144664

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 47, 58, 87, 94, 116, 141, 174, 188, 232, 282, 348, 376, 564, 653, 696, 1128, 1306, 1363, 1959, 2612, 2726, 3918, 4089, 5224, 5452, 7836, 8178, 10904, 15672, 16356, 18937, 30691, 32712, 37874, 56811, 61382, 75748, 92073, 113622, 122764, 151496, 184146, 227244, 245528, 368292, 454488, 736584, 890039, 1780078, 2670117, 3560156, 5340234, 7120312, 10680468, 21360936]

約数ペア:

[(1, 21360936), (2, 10680468), (3, 7120312), (4, 5340234), (6, 3560156), (8, 2670117), (12, 1780078), (24, 890039), (29, 736584), (47, 454488), (58, 368292), (87, 245528), (94, 227244), (116, 184146), (141, 151496), (174, 122764), (188, 113622), (232, 92073), (282, 75748), (348, 61382), (376, 56811), (564, 37874), (653, 32712), (696, 30691), (1128, 18937), (1306, 16356), (1363, 15672), (1959, 10904), (2612, 8178), (2726, 7836), (3918, 5452), (4089, 5224)]