21247872688

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{359987}}^1$

素因数の和:360050

約数の個数: 80

約数和(自身を含む): 51423565824

約数和(自身を除く): 30175693136

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 34, 56, 62, 68, 112, 119, 124, 136, 217, 238, 248, 272, 434, 476, 496, 527, 868, 952, 1054, 1736, 1904, 2108, 3472, 3689, 4216, 7378, 8432, 14756, 29512, 59024, 359987, 719974, 1439948, 2519909, 2879896, 5039818, 5759792, 6119779, 10079636, 11159597, 12239558, 20159272, 22319194, 24479116, 40318544, 42838453, 44638388, 48958232, 78117179, 85676906, 89276776, 97916464, 156234358, 171353812, 178553552, 189713149, 312468716, 342707624, 379426298, 624937432, 685415248, 758852596, 1249874864, 1327992043, 1517705192, 2655984086, 3035410384, 5311968172, 10623936344, 21247872688]

約数ペア:

[(1, 21247872688), (2, 10623936344), (4, 5311968172), (7, 3035410384), (8, 2655984086), (14, 1517705192), (16, 1327992043), (17, 1249874864), (28, 758852596), (31, 685415248), (34, 624937432), (56, 379426298), (62, 342707624), (68, 312468716), (112, 189713149), (119, 178553552), (124, 171353812), (136, 156234358), (217, 97916464), (238, 89276776), (248, 85676906), (272, 78117179), (434, 48958232), (476, 44638388), (496, 42838453), (527, 40318544), (868, 24479116), (952, 22319194), (1054, 20159272), (1736, 12239558), (1904, 11159597), (2108, 10079636), (3472, 6119779), (3689, 5759792), (4216, 5039818), (7378, 2879896), (8432, 2519909), (14756, 1439948), (29512, 719974), (59024, 359987)]