21513442

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{6547}}^1$

素因数の和:6633

約数の個数: 16

約数和(自身を含む): 33944832

約数和(自身を除く): 12431390

約数列:

[1, 2, 31, 53, 62, 106, 1643, 3286, 6547, 13094, 202957, 346991, 405914, 693982, 10756721, 21513442]

約数ペア:

[(1, 21513442), (2, 10756721), (31, 693982), (53, 405914), (62, 346991), (106, 202957), (1643, 13094), (3286, 6547)]