21315712

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{15139}}^1$

素因数の和:15164

約数の個数: 32

約数和(自身を含む): 46328400

約数和(自身を除く): 25012688

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 15139, 30278, 60556, 121112, 166529, 242224, 333058, 484448, 666116, 968896, 1332232, 1937792, 2664464, 5328928, 10657856, 21315712]

約数ペア:

[(1, 21315712), (2, 10657856), (4, 5328928), (8, 2664464), (11, 1937792), (16, 1332232), (22, 968896), (32, 666116), (44, 484448), (64, 333058), (88, 242224), (128, 166529), (176, 121112), (352, 60556), (704, 30278), (1408, 15139)]