21745304

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16883}}^1$

素因数の和:16919

約数の個数: 32

約数和(自身を含む): 48625920

約数和(自身を除く): 26880616

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16883, 33766, 67532, 118181, 135064, 236362, 388309, 472724, 776618, 945448, 1553236, 2718163, 3106472, 5436326, 10872652, 21745304]

約数ペア:

[(1, 21745304), (2, 10872652), (4, 5436326), (7, 3106472), (8, 2718163), (14, 1553236), (23, 945448), (28, 776618), (46, 472724), (56, 388309), (92, 236362), (161, 135064), (184, 118181), (322, 67532), (644, 33766), (1288, 16883)]