21702296

素因数分解:

$2^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{719}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 30137704

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 343, 392, 539, 616, 686, 719, 1078, 1372, 1438, 2156, 2744, 2876, 3773, 4312, 5033, 5752, 7546, 7909, 10066, 15092, 15818, 20132, 30184, 31636, 35231, 40264, 55363, 63272, 70462, 110726, 140924, 221452, 246617, 281848, 387541, 442904, 493234, 775082, 986468, 1550164, 1972936, 2712787, 3100328, 5425574, 10851148, 21702296]

約数ペア:

[(1, 21702296), (2, 10851148), (4, 5425574), (7, 3100328), (8, 2712787), (11, 1972936), (14, 1550164), (22, 986468), (28, 775082), (44, 493234), (49, 442904), (56, 387541), (77, 281848), (88, 246617), (98, 221452), (154, 140924), (196, 110726), (308, 70462), (343, 63272), (392, 55363), (539, 40264), (616, 35231), (686, 31636), (719, 30184), (1078, 20132), (1372, 15818), (1438, 15092), (2156, 10066), (2744, 7909), (2876, 7546), (3773, 5752), (4312, 5033)]