21738909075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{7103}}^1$

素因数の和:7245

約数の個数: 96

約数和(自身を含む): 40154763264

約数和(自身を除く): 18415854189

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 73, 75, 129, 195, 215, 219, 325, 365, 559, 645, 949, 975, 1075, 1095, 1677, 1825, 2795, 2847, 3139, 3225, 4745, 5475, 7103, 8385, 9417, 13975, 14235, 15695, 21309, 23725, 35515, 40807, 41925, 47085, 71175, 78475, 92339, 106545, 122421, 177575, 204035, 235425, 277017, 305429, 461695, 518519, 532725, 612105, 916287, 1020175, 1385085, 1527145, 1555557, 2308475, 2592595, 3060525, 3970577, 4581435, 6740747, 6925425, 7635725, 7777785, 11911731, 12962975, 19852885, 20222241, 22296317, 22907175, 33703735, 38888925, 59558655, 66888951, 99264425, 101111205, 111481585, 168518675, 289852121, 297793275, 334444755, 505556025, 557407925, 869556363, 1449260605, 1672223775, 4347781815, 7246303025, 21738909075]

約数ペア:

[(1, 21738909075), (3, 7246303025), (5, 4347781815), (13, 1672223775), (15, 1449260605), (25, 869556363), (39, 557407925), (43, 505556025), (65, 334444755), (73, 297793275), (75, 289852121), (129, 168518675), (195, 111481585), (215, 101111205), (219, 99264425), (325, 66888951), (365, 59558655), (559, 38888925), (645, 33703735), (949, 22907175), (975, 22296317), (1075, 20222241), (1095, 19852885), (1677, 12962975), (1825, 11911731), (2795, 7777785), (2847, 7635725), (3139, 6925425), (3225, 6740747), (4745, 4581435), (5475, 3970577), (7103, 3060525), (8385, 2592595), (9417, 2308475), (13975, 1555557), (14235, 1527145), (15695, 1385085), (21309, 1020175), (23725, 916287), (35515, 612105), (40807, 532725), (41925, 518519), (47085, 461695), (71175, 305429), (78475, 277017), (92339, 235425), (106545, 204035), (122421, 177575)]