21480576

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^2\times {\mathrm{331}}^1$

素因数の和:374

約数の個数: 96

約数和(自身を含む): 61971120

約数和(自身を除く): 40490544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 169, 192, 208, 312, 331, 338, 384, 416, 507, 624, 662, 676, 832, 993, 1014, 1248, 1324, 1352, 1664, 1986, 2028, 2496, 2648, 2704, 3972, 4056, 4303, 4992, 5296, 5408, 7944, 8112, 8606, 10592, 10816, 12909, 15888, 16224, 17212, 21184, 21632, 25818, 31776, 32448, 34424, 42368, 51636, 55939, 63552, 64896, 68848, 103272, 111878, 127104, 137696, 167817, 206544, 223756, 275392, 335634, 413088, 447512, 550784, 671268, 826176, 895024, 1342536, 1652352, 1790048, 2685072, 3580096, 5370144, 7160192, 10740288, 21480576]

約数ペア:

[(1, 21480576), (2, 10740288), (3, 7160192), (4, 5370144), (6, 3580096), (8, 2685072), (12, 1790048), (13, 1652352), (16, 1342536), (24, 895024), (26, 826176), (32, 671268), (39, 550784), (48, 447512), (52, 413088), (64, 335634), (78, 275392), (96, 223756), (104, 206544), (128, 167817), (156, 137696), (169, 127104), (192, 111878), (208, 103272), (312, 68848), (331, 64896), (338, 63552), (384, 55939), (416, 51636), (507, 42368), (624, 34424), (662, 32448), (676, 31776), (832, 25818), (993, 21632), (1014, 21184), (1248, 17212), (1324, 16224), (1352, 15888), (1664, 12909), (1986, 10816), (2028, 10592), (2496, 8606), (2648, 8112), (2704, 7944), (3972, 5408), (4056, 5296), (4303, 4992)]