21238074

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:292

約数の個数: 96

約数和(自身を含む): 55770624

約数和(自身を除く): 34532550

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 37, 39, 66, 74, 78, 99, 111, 117, 143, 198, 222, 223, 234, 286, 333, 407, 429, 446, 481, 666, 669, 814, 858, 962, 1221, 1287, 1338, 1443, 2007, 2442, 2453, 2574, 2886, 2899, 3663, 4014, 4329, 4906, 5291, 5798, 7326, 7359, 8251, 8658, 8697, 10582, 14718, 15873, 16502, 17394, 22077, 24753, 26091, 31746, 31889, 44154, 47619, 49506, 52182, 63778, 74259, 90761, 95238, 95667, 107263, 148518, 181522, 191334, 214526, 272283, 287001, 321789, 544566, 574002, 643578, 816849, 965367, 1179893, 1633698, 1930734, 2359786, 3539679, 7079358, 10619037, 21238074]

約数ペア:

[(1, 21238074), (2, 10619037), (3, 7079358), (6, 3539679), (9, 2359786), (11, 1930734), (13, 1633698), (18, 1179893), (22, 965367), (26, 816849), (33, 643578), (37, 574002), (39, 544566), (66, 321789), (74, 287001), (78, 272283), (99, 214526), (111, 191334), (117, 181522), (143, 148518), (198, 107263), (222, 95667), (223, 95238), (234, 90761), (286, 74259), (333, 63778), (407, 52182), (429, 49506), (446, 47619), (481, 44154), (666, 31889), (669, 31746), (814, 26091), (858, 24753), (962, 22077), (1221, 17394), (1287, 16502), (1338, 15873), (1443, 14718), (2007, 10582), (2442, 8697), (2453, 8658), (2574, 8251), (2886, 7359), (2899, 7326), (3663, 5798), (4014, 5291), (4329, 4906)]