21489258

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{30097}}^1$

素因数の和:30126

約数の個数: 32

約数和(自身を含む): 52009344

約数和(自身を除く): 30520086

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 30097, 60194, 90291, 180582, 210679, 421358, 511649, 632037, 1023298, 1264074, 1534947, 3069894, 3581543, 7163086, 10744629, 21489258]

約数ペア:

[(1, 21489258), (2, 10744629), (3, 7163086), (6, 3581543), (7, 3069894), (14, 1534947), (17, 1264074), (21, 1023298), (34, 632037), (42, 511649), (51, 421358), (102, 210679), (119, 180582), (238, 90291), (357, 60194), (714, 30097)]