21463377

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 32664576

約数和(自身を除く): 11201199

約数列:

[1, 3, 13, 31, 39, 41, 93, 123, 403, 433, 533, 1209, 1271, 1299, 1599, 3813, 5629, 13423, 16523, 16887, 17753, 40269, 49569, 53259, 174499, 230789, 523497, 550343, 692367, 1651029, 7154459, 21463377]

約数ペア:

[(1, 21463377), (3, 7154459), (13, 1651029), (31, 692367), (39, 550343), (41, 523497), (93, 230789), (123, 174499), (403, 53259), (433, 49569), (533, 40269), (1209, 17753), (1271, 16887), (1299, 16523), (1599, 13423), (3813, 5629)]