21274264557

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{186877}}^1$

素因数の和:187042

約数の個数: 48

約数和(自身を含む): 38093211520

約数和(自身を除く): 16818946963

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 139, 273, 417, 819, 973, 1251, 1807, 2919, 5421, 8757, 12649, 16263, 37947, 113841, 186877, 560631, 1308139, 1681893, 2429401, 3924417, 7288203, 11773251, 17005807, 21864609, 25975903, 51017421, 77927709, 153052263, 181831321, 233783127, 337686739, 545493963, 1013060217, 1636481889, 2363807173, 3039180651, 7091421519, 21274264557]

約数ペア:

[(1, 21274264557), (3, 7091421519), (7, 3039180651), (9, 2363807173), (13, 1636481889), (21, 1013060217), (39, 545493963), (63, 337686739), (91, 233783127), (117, 181831321), (139, 153052263), (273, 77927709), (417, 51017421), (819, 25975903), (973, 21864609), (1251, 17005807), (1807, 11773251), (2919, 7288203), (5421, 3924417), (8757, 2429401), (12649, 1681893), (16263, 1308139), (37947, 560631), (113841, 186877)]