21217746

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7841}}^1$

素因数の和:7898

約数の個数: 32

約数和(自身を含む): 47428416

約数和(自身を除く): 26210670

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 66, 82, 123, 246, 451, 902, 1353, 2706, 7841, 15682, 23523, 47046, 86251, 172502, 258753, 321481, 517506, 642962, 964443, 1928886, 3536291, 7072582, 10608873, 21217746]

約数ペア:

[(1, 21217746), (2, 10608873), (3, 7072582), (6, 3536291), (11, 1928886), (22, 964443), (33, 642962), (41, 517506), (66, 321481), (82, 258753), (123, 172502), (246, 86251), (451, 47046), (902, 23523), (1353, 15682), (2706, 7841)]