21510034

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1619}}^1$

素因数の和:1714

約数の個数: 32

約数和(自身を含む): 40279680

約数和(自身を除く): 18769646

約数列:

[1, 2, 7, 13, 14, 26, 73, 91, 146, 182, 511, 949, 1022, 1619, 1898, 3238, 6643, 11333, 13286, 21047, 22666, 42094, 118187, 147329, 236374, 294658, 827309, 1536431, 1654618, 3072862, 10755017, 21510034]

約数ペア:

[(1, 21510034), (2, 10755017), (7, 3072862), (13, 1654618), (14, 1536431), (26, 827309), (73, 294658), (91, 236374), (146, 147329), (182, 118187), (511, 42094), (949, 22666), (1022, 21047), (1619, 13286), (1898, 11333), (3238, 6643)]