21472560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9941}}^1$

素因数の和:9963

約数の個数: 80

約数和(自身を含む): 73968480

約数和(自身を除く): 52495920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9941, 19882, 29823, 39764, 49705, 59646, 79528, 89469, 99410, 119292, 149115, 159056, 178938, 198820, 238584, 268407, 298230, 357876, 397640, 447345, 477168, 536814, 596460, 715752, 795280, 894690, 1073628, 1192920, 1342035, 1431504, 1789380, 2147256, 2385840, 2684070, 3578760, 4294512, 5368140, 7157520, 10736280, 21472560]

約数ペア:

[(1, 21472560), (2, 10736280), (3, 7157520), (4, 5368140), (5, 4294512), (6, 3578760), (8, 2684070), (9, 2385840), (10, 2147256), (12, 1789380), (15, 1431504), (16, 1342035), (18, 1192920), (20, 1073628), (24, 894690), (27, 795280), (30, 715752), (36, 596460), (40, 536814), (45, 477168), (48, 447345), (54, 397640), (60, 357876), (72, 298230), (80, 268407), (90, 238584), (108, 198820), (120, 178938), (135, 159056), (144, 149115), (180, 119292), (216, 99410), (240, 89469), (270, 79528), (360, 59646), (432, 49705), (540, 39764), (720, 29823), (1080, 19882), (2160, 9941)]