21192918

素因数分解:

$2^1\times 3^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 43528320

約数和(自身を除く): 22335402

約数列:

[1, 2, 3, 6, 59, 118, 131, 177, 262, 354, 393, 457, 786, 914, 1371, 2742, 7729, 15458, 23187, 26963, 46374, 53926, 59867, 80889, 119734, 161778, 179601, 359202, 3532153, 7064306, 10596459, 21192918]

約数ペア:

[(1, 21192918), (2, 10596459), (3, 7064306), (6, 3532153), (59, 359202), (118, 179601), (131, 161778), (177, 119734), (262, 80889), (354, 59867), (393, 53926), (457, 46374), (786, 26963), (914, 23187), (1371, 15458), (2742, 7729)]