21318234

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1229}}^1$

素因数の和:1307

約数の個数: 48

約数和(自身を含む): 50479200

約数和(自身を除く): 29160966

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 59, 98, 118, 147, 177, 294, 354, 413, 826, 1229, 1239, 2458, 2478, 2891, 3687, 5782, 7374, 8603, 8673, 17206, 17346, 25809, 51618, 60221, 72511, 120442, 145022, 180663, 217533, 361326, 435066, 507577, 1015154, 1522731, 3045462, 3553039, 7106078, 10659117, 21318234]

約数ペア:

[(1, 21318234), (2, 10659117), (3, 7106078), (6, 3553039), (7, 3045462), (14, 1522731), (21, 1015154), (42, 507577), (49, 435066), (59, 361326), (98, 217533), (118, 180663), (147, 145022), (177, 120442), (294, 72511), (354, 60221), (413, 51618), (826, 25809), (1229, 17346), (1239, 17206), (2458, 8673), (2478, 8603), (2891, 7374), (3687, 5782)]