21095438

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3739}}^1$

素因数の和:3792

約数の個数: 32

約数和(自身を含む): 40212480

約数和(自身を除く): 19117042

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 3739, 5642, 7478, 26173, 48607, 52346, 97214, 115909, 231818, 340249, 680498, 811363, 1506817, 1622726, 3013634, 10547719, 21095438]

約数ペア:

[(1, 21095438), (2, 10547719), (7, 3013634), (13, 1622726), (14, 1506817), (26, 811363), (31, 680498), (62, 340249), (91, 231818), (182, 115909), (217, 97214), (403, 52346), (434, 48607), (806, 26173), (2821, 7478), (3739, 5642)]