21281692822

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{261761}}^1$

素因数の和:261888

約数の個数: 32

約数和(自身を含む): 35620572960

約数和(自身を除く): 14338880138

約数列:

[1, 2, 13, 26, 53, 59, 106, 118, 689, 767, 1378, 1534, 3127, 6254, 40651, 81302, 261761, 523522, 3402893, 6805786, 13873333, 15443899, 27746666, 30887798, 180353329, 200770687, 360706658, 401541374, 818526647, 1637053294, 10640846411, 21281692822]

約数ペア:

[(1, 21281692822), (2, 10640846411), (13, 1637053294), (26, 818526647), (53, 401541374), (59, 360706658), (106, 200770687), (118, 180353329), (689, 30887798), (767, 27746666), (1378, 15443899), (1534, 13873333), (3127, 6805786), (6254, 3402893), (40651, 523522), (81302, 261761)]