21646761344

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{3019}}^1$

素因数の和:3216

約数の個数: 128

約数和(自身を含む): 48300672000

約数和(自身を除く): 26653910656

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 139, 208, 248, 278, 403, 416, 496, 556, 806, 832, 992, 1112, 1612, 1664, 1807, 1984, 2224, 3019, 3224, 3614, 3968, 4309, 4448, 6038, 6448, 7228, 8618, 8896, 12076, 12896, 14456, 17236, 17792, 24152, 25792, 28912, 34472, 39247, 48304, 51584, 56017, 57824, 68944, 78494, 93589, 96608, 112034, 115648, 137888, 156988, 187178, 193216, 224068, 231296, 275776, 313976, 374356, 386432, 419641, 448136, 551552, 627952, 748712, 839282, 896272, 1216657, 1255904, 1497424, 1678564, 1792544, 2433314, 2511808, 2994848, 3357128, 3585088, 4866628, 5023616, 5455333, 5989696, 6714256, 7170176, 9733256, 10910666, 11979392, 13008871, 13428512, 19466512, 21821332, 26017742, 26857024, 38933024, 43642664, 52035484, 53714048, 77866048, 87285328, 104070968, 155732096, 169115323, 174570656, 208141936, 338230646, 349141312, 416283872, 676461292, 698282624, 832567744, 1352922584, 1665135488, 2705845168, 5411690336, 10823380672, 21646761344]

約数ペア:

[(1, 21646761344), (2, 10823380672), (4, 5411690336), (8, 2705845168), (13, 1665135488), (16, 1352922584), (26, 832567744), (31, 698282624), (32, 676461292), (52, 416283872), (62, 349141312), (64, 338230646), (104, 208141936), (124, 174570656), (128, 169115323), (139, 155732096), (208, 104070968), (248, 87285328), (278, 77866048), (403, 53714048), (416, 52035484), (496, 43642664), (556, 38933024), (806, 26857024), (832, 26017742), (992, 21821332), (1112, 19466512), (1612, 13428512), (1664, 13008871), (1807, 11979392), (1984, 10910666), (2224, 9733256), (3019, 7170176), (3224, 6714256), (3614, 5989696), (3968, 5455333), (4309, 5023616), (4448, 4866628), (6038, 3585088), (6448, 3357128), (7228, 2994848), (8618, 2511808), (8896, 2433314), (12076, 1792544), (12896, 1678564), (14456, 1497424), (17236, 1255904), (17792, 1216657), (24152, 896272), (25792, 839282), (28912, 748712), (34472, 627952), (39247, 551552), (48304, 448136), (51584, 419641), (56017, 386432), (57824, 374356), (68944, 313976), (78494, 275776), (93589, 231296), (96608, 224068), (112034, 193216), (115648, 187178), (137888, 156988)]