21214908

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{317}}^1$

素因数の和:364

約数の個数: 108

約数和(自身を含む): 63547848

約数和(自身を除く): 42332940

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 169, 198, 234, 286, 317, 338, 396, 429, 468, 507, 572, 634, 676, 858, 951, 1014, 1268, 1287, 1521, 1716, 1859, 1902, 2028, 2574, 2853, 3042, 3487, 3718, 3804, 4121, 5148, 5577, 5706, 6084, 6974, 7436, 8242, 10461, 11154, 11412, 12363, 13948, 16484, 16731, 20922, 22308, 24726, 31383, 33462, 37089, 41844, 45331, 49452, 53573, 62766, 66924, 74178, 90662, 107146, 125532, 135993, 148356, 160719, 181324, 214292, 271986, 321438, 407979, 482157, 543972, 589303, 642876, 815958, 964314, 1178606, 1631916, 1767909, 1928628, 2357212, 3535818, 5303727, 7071636, 10607454, 21214908]

約数ペア:

[(1, 21214908), (2, 10607454), (3, 7071636), (4, 5303727), (6, 3535818), (9, 2357212), (11, 1928628), (12, 1767909), (13, 1631916), (18, 1178606), (22, 964314), (26, 815958), (33, 642876), (36, 589303), (39, 543972), (44, 482157), (52, 407979), (66, 321438), (78, 271986), (99, 214292), (117, 181324), (132, 160719), (143, 148356), (156, 135993), (169, 125532), (198, 107146), (234, 90662), (286, 74178), (317, 66924), (338, 62766), (396, 53573), (429, 49452), (468, 45331), (507, 41844), (572, 37089), (634, 33462), (676, 31383), (858, 24726), (951, 22308), (1014, 20922), (1268, 16731), (1287, 16484), (1521, 13948), (1716, 12363), (1859, 11412), (1902, 11154), (2028, 10461), (2574, 8242), (2853, 7436), (3042, 6974), (3487, 6084), (3718, 5706), (3804, 5577), (4121, 5148)]