21273998

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{8369}}^1$

素因数の和:8443

約数の個数: 16

約数和(自身を含む): 33747840

約数和(自身を除く): 12473842

約数列:

[1, 2, 31, 41, 62, 82, 1271, 2542, 8369, 16738, 259439, 343129, 518878, 686258, 10636999, 21273998]

約数ペア:

[(1, 21273998), (2, 10636999), (31, 686258), (41, 518878), (62, 343129), (82, 259439), (1271, 16738), (2542, 8369)]