21691176

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1879}}^1$

素因数の和:1938

約数の個数: 64

約数和(自身を含む): 60009600

約数和(自身を除く): 38318424

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 148, 156, 222, 296, 312, 444, 481, 888, 962, 1443, 1879, 1924, 2886, 3758, 3848, 5637, 5772, 7516, 11274, 11544, 15032, 22548, 24427, 45096, 48854, 69523, 73281, 97708, 139046, 146562, 195416, 208569, 278092, 293124, 417138, 556184, 586248, 834276, 903799, 1668552, 1807598, 2711397, 3615196, 5422794, 7230392, 10845588, 21691176]

約数ペア:

[(1, 21691176), (2, 10845588), (3, 7230392), (4, 5422794), (6, 3615196), (8, 2711397), (12, 1807598), (13, 1668552), (24, 903799), (26, 834276), (37, 586248), (39, 556184), (52, 417138), (74, 293124), (78, 278092), (104, 208569), (111, 195416), (148, 146562), (156, 139046), (222, 97708), (296, 73281), (312, 69523), (444, 48854), (481, 45096), (888, 24427), (962, 22548), (1443, 15032), (1879, 11544), (1924, 11274), (2886, 7516), (3758, 5772), (3848, 5637)]