21219948

素因数分解:

$2^2\times 3^3\times {\mathrm{61}}^1\times {\mathrm{3221}}^1$

素因数の和:3295

約数の個数: 48

約数和(自身を含む): 55933920

約数和(自身を除く): 34713972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 108, 122, 183, 244, 366, 549, 732, 1098, 1647, 2196, 3221, 3294, 6442, 6588, 9663, 12884, 19326, 28989, 38652, 57978, 86967, 115956, 173934, 196481, 347868, 392962, 589443, 785924, 1178886, 1768329, 2357772, 3536658, 5304987, 7073316, 10609974, 21219948]

約数ペア:

[(1, 21219948), (2, 10609974), (3, 7073316), (4, 5304987), (6, 3536658), (9, 2357772), (12, 1768329), (18, 1178886), (27, 785924), (36, 589443), (54, 392962), (61, 347868), (108, 196481), (122, 173934), (183, 115956), (244, 86967), (366, 57978), (549, 38652), (732, 28989), (1098, 19326), (1647, 12884), (2196, 9663), (3221, 6588), (3294, 6442)]