21193916944

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{631}}^1\times {\mathrm{9949}}^1$

素因数の和:10799

約数の個数: 40

約数和(自身を含む): 41327364800

約数和(自身を除く): 20133447856

約数列:

[1, 2, 4, 8, 16, 211, 422, 631, 844, 1262, 1688, 2524, 3376, 5048, 9949, 10096, 19898, 39796, 79592, 133141, 159184, 266282, 532564, 1065128, 2099239, 2130256, 4198478, 6277819, 8396956, 12555638, 16793912, 25111276, 33587824, 50222552, 100445104, 1324619809, 2649239618, 5298479236, 10596958472, 21193916944]

約数ペア:

[(1, 21193916944), (2, 10596958472), (4, 5298479236), (8, 2649239618), (16, 1324619809), (211, 100445104), (422, 50222552), (631, 33587824), (844, 25111276), (1262, 16793912), (1688, 12555638), (2524, 8396956), (3376, 6277819), (5048, 4198478), (9949, 2130256), (10096, 2099239), (19898, 1065128), (39796, 532564), (79592, 266282), (133141, 159184)]