21223296003

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^2\times {\mathrm{2131}}^1$

素因数の和:2536

約数の個数: 48

約数和(自身を含む): 35027702528

約数和(自身を除く): 13804406525

約数列:

[1, 3, 7, 13, 21, 39, 91, 191, 273, 573, 1337, 2131, 2483, 4011, 6393, 7449, 14917, 17381, 27703, 36481, 44751, 52143, 83109, 109443, 193921, 255367, 407021, 474253, 581763, 766101, 1221063, 1422759, 2849147, 3319771, 5291273, 8547441, 9959313, 15873819, 37038911, 77741011, 111116733, 233223033, 544187077, 1010633143, 1632561231, 3031899429, 7074432001, 21223296003]

約数ペア:

[(1, 21223296003), (3, 7074432001), (7, 3031899429), (13, 1632561231), (21, 1010633143), (39, 544187077), (91, 233223033), (191, 111116733), (273, 77741011), (573, 37038911), (1337, 15873819), (2131, 9959313), (2483, 8547441), (4011, 5291273), (6393, 3319771), (7449, 2849147), (14917, 1422759), (17381, 1221063), (27703, 766101), (36481, 581763), (44751, 474253), (52143, 407021), (83109, 255367), (109443, 193921)]