21962198

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 36661248

約数和(自身を除く): 14699050

約数列:

[1, 2, 17, 31, 34, 62, 67, 134, 311, 527, 622, 1054, 1139, 2077, 2278, 4154, 5287, 9641, 10574, 19282, 20837, 35309, 41674, 70618, 163897, 327794, 354229, 645947, 708458, 1291894, 10981099, 21962198]

約数ペア:

[(1, 21962198), (2, 10981099), (17, 1291894), (31, 708458), (34, 645947), (62, 354229), (67, 327794), (134, 163897), (311, 70618), (527, 41674), (622, 35309), (1054, 20837), (1139, 19282), (2077, 10574), (2278, 9641), (4154, 5287)]