21234476

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1031}}^1$

素因数の和:1325

約数の個数: 24

約数和(自身を含む): 39298560

約数和(自身を除く): 18064084

約数列:

[1, 2, 4, 19, 38, 76, 271, 542, 1031, 1084, 2062, 4124, 5149, 10298, 19589, 20596, 39178, 78356, 279401, 558802, 1117604, 5308619, 10617238, 21234476]

約数ペア:

[(1, 21234476), (2, 10617238), (4, 5308619), (19, 1117604), (38, 558802), (76, 279401), (271, 78356), (542, 39178), (1031, 20596), (1084, 19589), (2062, 10298), (4124, 5149)]