21728670496

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{13417}}^1$

素因数の和:13686

約数の個数: 96

約数和(自身を含む): 48995558640

約数和(自身を除く): 27266888144

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 229, 272, 416, 442, 458, 544, 884, 916, 1768, 1832, 2977, 3536, 3664, 3893, 5954, 7072, 7328, 7786, 11908, 13417, 15572, 23816, 26834, 31144, 47632, 50609, 53668, 62288, 95264, 101218, 107336, 124576, 174421, 202436, 214672, 228089, 348842, 404872, 429344, 456178, 697684, 809744, 912356, 1395368, 1619488, 1824712, 2790736, 2965157, 3072493, 3649424, 5581472, 5930314, 6144986, 7298848, 11860628, 12289972, 23721256, 24579944, 39942409, 47442512, 49159888, 52232381, 79884818, 94885024, 98319776, 104464762, 159769636, 208929524, 319539272, 417859048, 639078544, 679020953, 835718096, 1278157088, 1358041906, 1671436192, 2716083812, 5432167624, 10864335248, 21728670496]

約数ペア:

[(1, 21728670496), (2, 10864335248), (4, 5432167624), (8, 2716083812), (13, 1671436192), (16, 1358041906), (17, 1278157088), (26, 835718096), (32, 679020953), (34, 639078544), (52, 417859048), (68, 319539272), (104, 208929524), (136, 159769636), (208, 104464762), (221, 98319776), (229, 94885024), (272, 79884818), (416, 52232381), (442, 49159888), (458, 47442512), (544, 39942409), (884, 24579944), (916, 23721256), (1768, 12289972), (1832, 11860628), (2977, 7298848), (3536, 6144986), (3664, 5930314), (3893, 5581472), (5954, 3649424), (7072, 3072493), (7328, 2965157), (7786, 2790736), (11908, 1824712), (13417, 1619488), (15572, 1395368), (23816, 912356), (26834, 809744), (31144, 697684), (47632, 456178), (50609, 429344), (53668, 404872), (62288, 348842), (95264, 228089), (101218, 214672), (107336, 202436), (124576, 174421)]