21005376

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{15629}}^1$

素因数の和:15651

約数の個数: 56

約数和(自身を含む): 63520320

約数和(自身を除く): 42514944

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 15629, 31258, 46887, 62516, 93774, 109403, 125032, 187548, 218806, 250064, 328209, 375096, 437612, 500128, 656418, 750192, 875224, 1000256, 1312836, 1500384, 1750448, 2625672, 3000768, 3500896, 5251344, 7001792, 10502688, 21005376]

約数ペア:

[(1, 21005376), (2, 10502688), (3, 7001792), (4, 5251344), (6, 3500896), (7, 3000768), (8, 2625672), (12, 1750448), (14, 1500384), (16, 1312836), (21, 1000256), (24, 875224), (28, 750192), (32, 656418), (42, 500128), (48, 437612), (56, 375096), (64, 328209), (84, 250064), (96, 218806), (112, 187548), (168, 125032), (192, 109403), (224, 93774), (336, 62516), (448, 46887), (672, 31258), (1344, 15629)]