21120859770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1\times {\mathrm{47387}}^1$

素因数の和:47659

約数の個数: 64

約数和(自身を含む): 51588472320

約数和(自身を除く): 30467612550

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 179, 249, 358, 415, 498, 537, 830, 895, 1074, 1245, 1790, 2490, 2685, 5370, 14857, 29714, 44571, 47387, 74285, 89142, 94774, 142161, 148570, 222855, 236935, 284322, 445710, 473870, 710805, 1421610, 3933121, 7866242, 8482273, 11799363, 16964546, 19665605, 23598726, 25446819, 39331210, 42411365, 50893638, 58996815, 84822730, 117993630, 127234095, 254468190, 704028659, 1408057318, 2112085977, 3520143295, 4224171954, 7040286590, 10560429885, 21120859770]

約数ペア:

[(1, 21120859770), (2, 10560429885), (3, 7040286590), (5, 4224171954), (6, 3520143295), (10, 2112085977), (15, 1408057318), (30, 704028659), (83, 254468190), (166, 127234095), (179, 117993630), (249, 84822730), (358, 58996815), (415, 50893638), (498, 42411365), (537, 39331210), (830, 25446819), (895, 23598726), (1074, 19665605), (1245, 16964546), (1790, 11799363), (2490, 8482273), (2685, 7866242), (5370, 3933121), (14857, 1421610), (29714, 710805), (44571, 473870), (47387, 445710), (74285, 284322), (89142, 236935), (94774, 222855), (142161, 148570)]