21028876563

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{21943}}^1$

素因数の和:22048

約数の個数: 64

約数和(自身を含む): 33368924160

約数和(自身を除く): 12340047597

約数列:

[1, 3, 17, 19, 23, 43, 51, 57, 69, 129, 323, 391, 437, 731, 817, 969, 989, 1173, 1311, 2193, 2451, 2967, 7429, 13889, 16813, 18791, 21943, 22287, 41667, 50439, 56373, 65829, 319447, 373031, 416917, 504689, 943549, 958341, 1119093, 1250751, 1514067, 2830647, 7087589, 8579713, 9589091, 16040333, 17927431, 21262767, 21701627, 25739139, 28767273, 48120999, 53782293, 65104881, 163014547, 304766327, 368927659, 412330913, 489043641, 914298981, 1106782977, 1236992739, 7009625521, 21028876563]

約数ペア:

[(1, 21028876563), (3, 7009625521), (17, 1236992739), (19, 1106782977), (23, 914298981), (43, 489043641), (51, 412330913), (57, 368927659), (69, 304766327), (129, 163014547), (323, 65104881), (391, 53782293), (437, 48120999), (731, 28767273), (817, 25739139), (969, 21701627), (989, 21262767), (1173, 17927431), (1311, 16040333), (2193, 9589091), (2451, 8579713), (2967, 7087589), (7429, 2830647), (13889, 1514067), (16813, 1250751), (18791, 1119093), (21943, 958341), (22287, 943549), (41667, 504689), (50439, 416917), (56373, 373031), (65829, 319447)]