21000252718

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{23609}}^1$

素因数の和:24012

約数の個数: 32

約数和(自身を含む): 33515622720

約数和(自身を除く): 12515370002

約数列:

[1, 2, 23, 46, 61, 122, 317, 634, 1403, 2806, 7291, 14582, 19337, 23609, 38674, 47218, 444751, 543007, 889502, 1086014, 1440149, 2880298, 7484053, 14968106, 33123427, 66246854, 172133219, 344266438, 456527233, 913054466, 10500126359, 21000252718]

約数ペア:

[(1, 21000252718), (2, 10500126359), (23, 913054466), (46, 456527233), (61, 344266438), (122, 172133219), (317, 66246854), (634, 33123427), (1403, 14968106), (2806, 7484053), (7291, 2880298), (14582, 1440149), (19337, 1086014), (23609, 889502), (38674, 543007), (47218, 444751)]