21031582

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 37384704

約数和(自身を除く): 16353122

約数列:

[1, 2, 11, 13, 22, 26, 143, 151, 286, 302, 487, 974, 1661, 1963, 3322, 3926, 5357, 6331, 10714, 12662, 21593, 43186, 69641, 73537, 139282, 147074, 808907, 955981, 1617814, 1911962, 10515791, 21031582]

約数ペア:

[(1, 21031582), (2, 10515791), (11, 1911962), (13, 1617814), (22, 955981), (26, 808907), (143, 147074), (151, 139282), (286, 73537), (302, 69641), (487, 43186), (974, 21593), (1661, 12662), (1963, 10714), (3322, 6331), (3926, 5357)]