21828618

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{24749}}^1$

素因数の和:24771

約数の個数: 36

約数和(自身を含む): 55019250

約数和(自身を除く): 33190632

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 24749, 49498, 74247, 148494, 173243, 222741, 346486, 445482, 519729, 1039458, 1212701, 1559187, 2425402, 3118374, 3638103, 7276206, 10914309, 21828618]

約数ペア:

[(1, 21828618), (2, 10914309), (3, 7276206), (6, 3638103), (7, 3118374), (9, 2425402), (14, 1559187), (18, 1212701), (21, 1039458), (42, 519729), (49, 445482), (63, 346486), (98, 222741), (126, 173243), (147, 148494), (294, 74247), (441, 49498), (882, 24749)]