21757476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 55014848

約数和(自身を除く): 33257372

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 211, 422, 633, 661, 844, 1266, 1322, 1983, 2532, 2644, 2743, 3966, 5486, 7932, 8229, 8593, 10972, 16458, 17186, 25779, 32916, 34372, 51558, 103116, 139471, 278942, 418413, 557884, 836826, 1673652, 1813123, 3626246, 5439369, 7252492, 10878738, 21757476]

約数ペア:

[(1, 21757476), (2, 10878738), (3, 7252492), (4, 5439369), (6, 3626246), (12, 1813123), (13, 1673652), (26, 836826), (39, 557884), (52, 418413), (78, 278942), (156, 139471), (211, 103116), (422, 51558), (633, 34372), (661, 32916), (844, 25779), (1266, 17186), (1322, 16458), (1983, 10972), (2532, 8593), (2644, 8229), (2743, 7932), (3966, 5486)]