21934920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{26113}}^1$

素因数の和:26134

約数の個数: 64

約数和(自身を含む): 75208320

約数和(自身を除く): 53273400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 26113, 52226, 78339, 104452, 130565, 156678, 182791, 208904, 261130, 313356, 365582, 391695, 522260, 548373, 626712, 731164, 783390, 913955, 1044520, 1096746, 1462328, 1566780, 1827910, 2193492, 2741865, 3133560, 3655820, 4386984, 5483730, 7311640, 10967460, 21934920]

約数ペア:

[(1, 21934920), (2, 10967460), (3, 7311640), (4, 5483730), (5, 4386984), (6, 3655820), (7, 3133560), (8, 2741865), (10, 2193492), (12, 1827910), (14, 1566780), (15, 1462328), (20, 1096746), (21, 1044520), (24, 913955), (28, 783390), (30, 731164), (35, 626712), (40, 548373), (42, 522260), (56, 391695), (60, 365582), (70, 313356), (84, 261130), (105, 208904), (120, 182791), (140, 156678), (168, 130565), (210, 104452), (280, 78339), (420, 52226), (840, 26113)]