21269312

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:315

約数の個数: 56

約数和(自身を含む): 45345096

約数和(自身を除く): 24075784

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 113, 136, 173, 226, 272, 346, 452, 544, 692, 904, 1088, 1384, 1808, 1921, 2768, 2941, 3616, 3842, 5536, 5882, 7232, 7684, 11072, 11764, 15368, 19549, 23528, 30736, 39098, 47056, 61472, 78196, 94112, 122944, 156392, 188224, 312784, 332333, 625568, 664666, 1251136, 1329332, 2658664, 5317328, 10634656, 21269312]

約数ペア:

[(1, 21269312), (2, 10634656), (4, 5317328), (8, 2658664), (16, 1329332), (17, 1251136), (32, 664666), (34, 625568), (64, 332333), (68, 312784), (113, 188224), (136, 156392), (173, 122944), (226, 94112), (272, 78196), (346, 61472), (452, 47056), (544, 39098), (692, 30736), (904, 23528), (1088, 19549), (1384, 15368), (1808, 11764), (1921, 11072), (2768, 7684), (2941, 7232), (3616, 5882), (3842, 5536)]