21871486

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7069}}^1$

素因数の和:7108

約数の個数: 32

約数和(自身を含む): 42759360

約数和(自身を除く): 20887874

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 1547, 3094, 7069, 14138, 49483, 91897, 98966, 120173, 183794, 240346, 643279, 841211, 1286558, 1562249, 1682422, 3124498, 10935743, 21871486]

約数ペア:

[(1, 21871486), (2, 10935743), (7, 3124498), (13, 1682422), (14, 1562249), (17, 1286558), (26, 841211), (34, 643279), (91, 240346), (119, 183794), (182, 120173), (221, 98966), (238, 91897), (442, 49483), (1547, 14138), (3094, 7069)]