21275514

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{30307}}^1$

素因数の和:30331

約数の個数: 32

約数和(自身を含む): 50917440

約数和(自身を除く): 29641926

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 30307, 60614, 90921, 181842, 272763, 393991, 545526, 787982, 818289, 1181973, 1636578, 2363946, 3545919, 7091838, 10637757, 21275514]

約数ペア:

[(1, 21275514), (2, 10637757), (3, 7091838), (6, 3545919), (9, 2363946), (13, 1636578), (18, 1181973), (26, 818289), (27, 787982), (39, 545526), (54, 393991), (78, 272763), (117, 181842), (234, 90921), (351, 60614), (702, 30307)]