21351758896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{439}}^1$

素因数の和:907

約数の個数: 160

約数和(自身を含む): 48641331200

約数和(自身を除く): 27289572304

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 397, 403, 439, 494, 496, 589, 794, 806, 878, 988, 1178, 1588, 1612, 1756, 1976, 2356, 3176, 3224, 3512, 3952, 4712, 5161, 5707, 6352, 6448, 7024, 7543, 7657, 8341, 9424, 10322, 11414, 12307, 13609, 15086, 15314, 16682, 20644, 22828, 24614, 27218, 30172, 30628, 33364, 41288, 45656, 49228, 54436, 60344, 61256, 66728, 82576, 91312, 98059, 98456, 108433, 108872, 120688, 122512, 133456, 159991, 174283, 176917, 196118, 196912, 216866, 217744, 233833, 258571, 319982, 348566, 353834, 392236, 433732, 467666, 517142, 639964, 697132, 707668, 784472, 867464, 935332, 1034284, 1279928, 1394264, 1415336, 1568944, 1734928, 1870664, 2068568, 2265679, 2559856, 2788528, 2830672, 3039829, 3311377, 3361423, 3741328, 4137136, 4531358, 5402773, 6079658, 6622754, 6722846, 9062716, 10805546, 12159316, 13245508, 13445692, 18125432, 21611092, 24318632, 26491016, 26891384, 36250864, 43047901, 43222184, 48637264, 52982032, 53782768, 70236049, 86095802, 86444368, 102652687, 140472098, 172191604, 205305374, 280944196, 344383208, 410610748, 561888392, 688766416, 821221496, 1123776784, 1334484931, 1642442992, 2668969862, 5337939724, 10675879448, 21351758896]

約数ペア:

[(1, 21351758896), (2, 10675879448), (4, 5337939724), (8, 2668969862), (13, 1642442992), (16, 1334484931), (19, 1123776784), (26, 821221496), (31, 688766416), (38, 561888392), (52, 410610748), (62, 344383208), (76, 280944196), (104, 205305374), (124, 172191604), (152, 140472098), (208, 102652687), (247, 86444368), (248, 86095802), (304, 70236049), (397, 53782768), (403, 52982032), (439, 48637264), (494, 43222184), (496, 43047901), (589, 36250864), (794, 26891384), (806, 26491016), (878, 24318632), (988, 21611092), (1178, 18125432), (1588, 13445692), (1612, 13245508), (1756, 12159316), (1976, 10805546), (2356, 9062716), (3176, 6722846), (3224, 6622754), (3512, 6079658), (3952, 5402773), (4712, 4531358), (5161, 4137136), (5707, 3741328), (6352, 3361423), (6448, 3311377), (7024, 3039829), (7543, 2830672), (7657, 2788528), (8341, 2559856), (9424, 2265679), (10322, 2068568), (11414, 1870664), (12307, 1734928), (13609, 1568944), (15086, 1415336), (15314, 1394264), (16682, 1279928), (20644, 1034284), (22828, 935332), (24614, 867464), (27218, 784472), (30172, 707668), (30628, 697132), (33364, 639964), (41288, 517142), (45656, 467666), (49228, 433732), (54436, 392236), (60344, 353834), (61256, 348566), (66728, 319982), (82576, 258571), (91312, 233833), (98059, 217744), (98456, 216866), (108433, 196912), (108872, 196118), (120688, 176917), (122512, 174283), (133456, 159991)]