21412384

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5623}}^1$

素因数の和:5657

約数の個数: 48

約数和(自身を含む): 51020928

約数和(自身を除く): 29608544

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 5623, 11246, 22492, 39361, 44984, 78722, 89968, 95591, 157444, 179936, 191182, 314888, 382364, 629776, 669137, 764728, 1259552, 1338274, 1529456, 2676548, 3058912, 5353096, 10706192, 21412384]

約数ペア:

[(1, 21412384), (2, 10706192), (4, 5353096), (7, 3058912), (8, 2676548), (14, 1529456), (16, 1338274), (17, 1259552), (28, 764728), (32, 669137), (34, 629776), (56, 382364), (68, 314888), (112, 191182), (119, 179936), (136, 157444), (224, 95591), (238, 89968), (272, 78722), (476, 44984), (544, 39361), (952, 22492), (1904, 11246), (3808, 5623)]