21000974422

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{673}}^1\times {\mathrm{739}}^1$

素因数の和:1948

約数の個数: 32

約数和(自身を含む): 32391469440

約数和(自身を除く): 11390495018

約数列:

[1, 2, 43, 86, 491, 673, 739, 982, 1346, 1478, 21113, 28939, 31777, 42226, 57878, 63554, 330443, 362849, 497347, 660886, 725698, 994694, 14209049, 15602507, 21385921, 28418098, 31205014, 42771842, 244197377, 488394754, 10500487211, 21000974422]

約数ペア:

[(1, 21000974422), (2, 10500487211), (43, 488394754), (86, 244197377), (491, 42771842), (673, 31205014), (739, 28418098), (982, 21385921), (1346, 15602507), (1478, 14209049), (21113, 994694), (28939, 725698), (31777, 660886), (42226, 497347), (57878, 362849), (63554, 330443)]