21300928

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:485

約数の個数: 56

約数和(自身を含む): 46817280

約数和(自身を除く): 25516352

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 79, 88, 158, 176, 316, 352, 383, 632, 704, 766, 869, 1264, 1532, 1738, 2528, 3064, 3476, 4213, 5056, 6128, 6952, 8426, 12256, 13904, 16852, 24512, 27808, 30257, 33704, 55616, 60514, 67408, 121028, 134816, 242056, 269632, 332827, 484112, 665654, 968224, 1331308, 1936448, 2662616, 5325232, 10650464, 21300928]

約数ペア:

[(1, 21300928), (2, 10650464), (4, 5325232), (8, 2662616), (11, 1936448), (16, 1331308), (22, 968224), (32, 665654), (44, 484112), (64, 332827), (79, 269632), (88, 242056), (158, 134816), (176, 121028), (316, 67408), (352, 60514), (383, 55616), (632, 33704), (704, 30257), (766, 27808), (869, 24512), (1264, 16852), (1532, 13904), (1738, 12256), (2528, 8426), (3064, 6952), (3476, 6128), (4213, 5056)]