21709272

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4093}}^1$

素因数の和:4132

約数の個数: 64

約数和(自身を含む): 61901280

約数和(自身を除く): 40192008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 136, 156, 204, 221, 312, 408, 442, 663, 884, 1326, 1768, 2652, 4093, 5304, 8186, 12279, 16372, 24558, 32744, 49116, 53209, 69581, 98232, 106418, 139162, 159627, 208743, 212836, 278324, 319254, 417486, 425672, 556648, 638508, 834972, 904553, 1277016, 1669944, 1809106, 2713659, 3618212, 5427318, 7236424, 10854636, 21709272]

約数ペア:

[(1, 21709272), (2, 10854636), (3, 7236424), (4, 5427318), (6, 3618212), (8, 2713659), (12, 1809106), (13, 1669944), (17, 1277016), (24, 904553), (26, 834972), (34, 638508), (39, 556648), (51, 425672), (52, 417486), (68, 319254), (78, 278324), (102, 212836), (104, 208743), (136, 159627), (156, 139162), (204, 106418), (221, 98232), (312, 69581), (408, 53209), (442, 49116), (663, 32744), (884, 24558), (1326, 16372), (1768, 12279), (2652, 8186), (4093, 5304)]