21536144

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11311}}^1$

素因数の和:11343

約数の個数: 40

約数和(自身を含む): 50496768

約数和(自身を除く): 28960624

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 11311, 22622, 45244, 79177, 90488, 158354, 180976, 192287, 316708, 384574, 633416, 769148, 1266832, 1346009, 1538296, 2692018, 3076592, 5384036, 10768072, 21536144]

約数ペア:

[(1, 21536144), (2, 10768072), (4, 5384036), (7, 3076592), (8, 2692018), (14, 1538296), (16, 1346009), (17, 1266832), (28, 769148), (34, 633416), (56, 384574), (68, 316708), (112, 192287), (119, 180976), (136, 158354), (238, 90488), (272, 79177), (476, 45244), (952, 22622), (1904, 11311)]