21072624

素因数分解:

$2^4\times 3^1\times {\mathrm{443}}^1\times {\mathrm{991}}^1$

素因数の和:1445

約数の個数: 40

約数和(自身を含む): 54615552

約数和(自身を除く): 33542928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 443, 886, 991, 1329, 1772, 1982, 2658, 2973, 3544, 3964, 5316, 5946, 7088, 7928, 10632, 11892, 15856, 21264, 23784, 47568, 439013, 878026, 1317039, 1756052, 2634078, 3512104, 5268156, 7024208, 10536312, 21072624]

約数ペア:

[(1, 21072624), (2, 10536312), (3, 7024208), (4, 5268156), (6, 3512104), (8, 2634078), (12, 1756052), (16, 1317039), (24, 878026), (48, 439013), (443, 47568), (886, 23784), (991, 21264), (1329, 15856), (1772, 11892), (1982, 10632), (2658, 7928), (2973, 7088), (3544, 5946), (3964, 5316)]