21162264

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 33580776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 127, 131, 159, 212, 254, 262, 318, 381, 393, 424, 508, 524, 636, 762, 786, 1016, 1048, 1272, 1524, 1572, 3048, 3144, 6731, 6943, 13462, 13886, 16637, 20193, 20829, 26924, 27772, 33274, 40386, 41658, 49911, 53848, 55544, 66548, 80772, 83316, 99822, 133096, 161544, 166632, 199644, 399288, 881761, 1763522, 2645283, 3527044, 5290566, 7054088, 10581132, 21162264]

約数ペア:

[(1, 21162264), (2, 10581132), (3, 7054088), (4, 5290566), (6, 3527044), (8, 2645283), (12, 1763522), (24, 881761), (53, 399288), (106, 199644), (127, 166632), (131, 161544), (159, 133096), (212, 99822), (254, 83316), (262, 80772), (318, 66548), (381, 55544), (393, 53848), (424, 49911), (508, 41658), (524, 40386), (636, 33274), (762, 27772), (786, 26924), (1016, 20829), (1048, 20193), (1272, 16637), (1524, 13886), (1572, 13462), (3048, 6943), (3144, 6731)]