21520176

素因数分解:

$2^4\times 3^1\times {\mathrm{181}}^1\times {\mathrm{2477}}^1$

素因数の和:2669

約数の個数: 40

約数和(自身を含む): 55923504

約数和(自身を除く): 34403328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 181, 362, 543, 724, 1086, 1448, 2172, 2477, 2896, 4344, 4954, 7431, 8688, 9908, 14862, 19816, 29724, 39632, 59448, 118896, 448337, 896674, 1345011, 1793348, 2690022, 3586696, 5380044, 7173392, 10760088, 21520176]

約数ペア:

[(1, 21520176), (2, 10760088), (3, 7173392), (4, 5380044), (6, 3586696), (8, 2690022), (12, 1793348), (16, 1345011), (24, 896674), (48, 448337), (181, 118896), (362, 59448), (543, 39632), (724, 29724), (1086, 19816), (1448, 14862), (2172, 9908), (2477, 8688), (2896, 7431), (4344, 4954)]