21225756

素因数分解:

$2^2\times 3^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 50859648

約数和(自身を除く): 29633892

約数列:

[1, 2, 3, 4, 6, 12, 83, 101, 166, 202, 211, 249, 303, 332, 404, 422, 498, 606, 633, 844, 996, 1212, 1266, 2532, 8383, 16766, 17513, 21311, 25149, 33532, 35026, 42622, 50298, 52539, 63933, 70052, 85244, 100596, 105078, 127866, 210156, 255732, 1768813, 3537626, 5306439, 7075252, 10612878, 21225756]

約数ペア:

[(1, 21225756), (2, 10612878), (3, 7075252), (4, 5306439), (6, 3537626), (12, 1768813), (83, 255732), (101, 210156), (166, 127866), (202, 105078), (211, 100596), (249, 85244), (303, 70052), (332, 63933), (404, 52539), (422, 50298), (498, 42622), (606, 35026), (633, 33532), (844, 25149), (996, 21311), (1212, 17513), (1266, 16766), (2532, 8383)]