21214841545

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{2447}}^1\times {\mathrm{75389}}^1$

素因数の和:77864

約数の個数: 16

約数和(自身を含む): 26575879680

約数和(自身を除く): 5361038135

約数列:

[1, 5, 23, 115, 2447, 12235, 56281, 75389, 281405, 376945, 1733947, 8669735, 184476883, 922384415, 4242968309, 21214841545]

約数ペア:

[(1, 21214841545), (5, 4242968309), (23, 922384415), (115, 184476883), (2447, 8669735), (12235, 1733947), (56281, 376945), (75389, 281405)]