21129970142

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1\times {\mathrm{5557}}^1$

素因数の和:6344

約数の個数: 32

約数和(自身を含む): 33384282624

約数和(自身を除く): 12254312482

約数列:

[1, 2, 23, 46, 131, 262, 631, 1262, 3013, 5557, 6026, 11114, 14513, 29026, 82661, 127811, 165322, 255622, 727967, 1455934, 1901203, 3506467, 3802406, 7012934, 16743241, 33486482, 80648741, 161297482, 459347177, 918694354, 10564985071, 21129970142]

約数ペア:

[(1, 21129970142), (2, 10564985071), (23, 918694354), (46, 459347177), (131, 161297482), (262, 80648741), (631, 33486482), (1262, 16743241), (3013, 7012934), (5557, 3802406), (6026, 3506467), (11114, 1901203), (14513, 1455934), (29026, 727967), (82661, 255622), (127811, 165322)]