21981102

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:194

約数の個数: 96

約数和(自身を含む): 55502496

約数和(自身を除く): 33521394

約数列:

[1, 2, 3, 6, 11, 13, 17, 22, 26, 33, 34, 39, 51, 66, 78, 102, 121, 137, 143, 187, 221, 242, 274, 286, 363, 374, 411, 429, 442, 561, 663, 726, 822, 858, 1122, 1326, 1507, 1573, 1781, 2057, 2329, 2431, 3014, 3146, 3562, 4114, 4521, 4658, 4719, 4862, 5343, 6171, 6987, 7293, 9042, 9438, 10686, 12342, 13974, 14586, 16577, 19591, 25619, 26741, 30277, 33154, 39182, 49731, 51238, 53482, 58773, 60554, 76857, 80223, 90831, 99462, 117546, 153714, 160446, 181662, 215501, 281809, 333047, 431002, 563618, 646503, 666094, 845427, 999141, 1293006, 1690854, 1998282, 3663517, 7327034, 10990551, 21981102]

約数ペア:

[(1, 21981102), (2, 10990551), (3, 7327034), (6, 3663517), (11, 1998282), (13, 1690854), (17, 1293006), (22, 999141), (26, 845427), (33, 666094), (34, 646503), (39, 563618), (51, 431002), (66, 333047), (78, 281809), (102, 215501), (121, 181662), (137, 160446), (143, 153714), (187, 117546), (221, 99462), (242, 90831), (274, 80223), (286, 76857), (363, 60554), (374, 58773), (411, 53482), (429, 51238), (442, 49731), (561, 39182), (663, 33154), (726, 30277), (822, 26741), (858, 25619), (1122, 19591), (1326, 16577), (1507, 14586), (1573, 13974), (1781, 12342), (2057, 10686), (2329, 9438), (2431, 9042), (3014, 7293), (3146, 6987), (3562, 6171), (4114, 5343), (4521, 4862), (4658, 4719)]