21549472

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5659}}^1$

素因数の和:5693

約数の個数: 48

約数和(自身を含む): 51347520

約数和(自身を除く): 29798048

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, 5659, 11318, 22636, 39613, 45272, 79226, 90544, 96203, 158452, 181088, 192406, 316904, 384812, 633808, 673421, 769624, 1267616, 1346842, 1539248, 2693684, 3078496, 5387368, 10774736, 21549472]

約数ペア:

[(1, 21549472), (2, 10774736), (4, 5387368), (7, 3078496), (8, 2693684), (14, 1539248), (16, 1346842), (17, 1267616), (28, 769624), (32, 673421), (34, 633808), (56, 384812), (68, 316904), (112, 192406), (119, 181088), (136, 158452), (224, 96203), (238, 90544), (272, 79226), (476, 45272), (544, 39613), (952, 22636), (1904, 11318), (3808, 5659)]