21259104

素因数分解:

$2^5\times 3^1\times {\mathrm{71}}^1\times {\mathrm{3119}}^1$

素因数の和:3203

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 35350176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 71, 96, 142, 213, 284, 426, 568, 852, 1136, 1704, 2272, 3119, 3408, 6238, 6816, 9357, 12476, 18714, 24952, 37428, 49904, 74856, 99808, 149712, 221449, 299424, 442898, 664347, 885796, 1328694, 1771592, 2657388, 3543184, 5314776, 7086368, 10629552, 21259104]

約数ペア:

[(1, 21259104), (2, 10629552), (3, 7086368), (4, 5314776), (6, 3543184), (8, 2657388), (12, 1771592), (16, 1328694), (24, 885796), (32, 664347), (48, 442898), (71, 299424), (96, 221449), (142, 149712), (213, 99808), (284, 74856), (426, 49904), (568, 37428), (852, 24952), (1136, 18714), (1704, 12476), (2272, 9357), (3119, 6816), (3408, 6238)]