21448371

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{859}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 34675200

約数和(自身を除く): 13226829

約数列:

[1, 3, 7, 21, 29, 41, 87, 123, 203, 287, 609, 859, 861, 1189, 2577, 3567, 6013, 8323, 18039, 24911, 24969, 35219, 74733, 105657, 174377, 246533, 523131, 739599, 1021351, 3064053, 7149457, 21448371]

約数ペア:

[(1, 21448371), (3, 7149457), (7, 3064053), (21, 1021351), (29, 739599), (41, 523131), (87, 246533), (123, 174377), (203, 105657), (287, 74733), (609, 35219), (859, 24969), (861, 24911), (1189, 18039), (2577, 8323), (3567, 6013)]