21838544

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 53246592

約数和(自身を除く): 31408048

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 53, 56, 91, 104, 106, 112, 182, 208, 212, 283, 364, 371, 424, 566, 689, 728, 742, 848, 1132, 1378, 1456, 1484, 1981, 2264, 2756, 2968, 3679, 3962, 4528, 4823, 5512, 5936, 7358, 7924, 9646, 11024, 14716, 14999, 15848, 19292, 25753, 29432, 29998, 31696, 38584, 51506, 58864, 59996, 77168, 103012, 104993, 119992, 194987, 206024, 209986, 239984, 389974, 412048, 419972, 779948, 839944, 1364909, 1559896, 1679888, 2729818, 3119792, 5459636, 10919272, 21838544]

約数ペア:

[(1, 21838544), (2, 10919272), (4, 5459636), (7, 3119792), (8, 2729818), (13, 1679888), (14, 1559896), (16, 1364909), (26, 839944), (28, 779948), (52, 419972), (53, 412048), (56, 389974), (91, 239984), (104, 209986), (106, 206024), (112, 194987), (182, 119992), (208, 104993), (212, 103012), (283, 77168), (364, 59996), (371, 58864), (424, 51506), (566, 38584), (689, 31696), (728, 29998), (742, 29432), (848, 25753), (1132, 19292), (1378, 15848), (1456, 14999), (1484, 14716), (1981, 11024), (2264, 9646), (2756, 7924), (2968, 7358), (3679, 5936), (3962, 5512), (4528, 4823)]