21544936

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20249}}^1$

素因数の和:20281

約数の個数: 32

約数和(自身を含む): 48600000

約数和(自身を除く): 27055064

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 20249, 40498, 80996, 141743, 161992, 283486, 384731, 566972, 769462, 1133944, 1538924, 2693117, 3077848, 5386234, 10772468, 21544936]

約数ペア:

[(1, 21544936), (2, 10772468), (4, 5386234), (7, 3077848), (8, 2693117), (14, 1538924), (19, 1133944), (28, 769462), (38, 566972), (56, 384731), (76, 283486), (133, 161992), (152, 141743), (266, 80996), (532, 40498), (1064, 20249)]