21101472590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{1303}}^1$

素因数の和:1554

約数の個数: 128

約数和(自身を含む): 44696696832

約数和(自身を除く): 23595224242

約数列:

[1, 2, 5, 10, 11, 22, 23, 37, 46, 55, 74, 110, 115, 173, 185, 230, 253, 346, 370, 407, 506, 814, 851, 865, 1265, 1303, 1702, 1730, 1903, 2035, 2530, 2606, 3806, 3979, 4070, 4255, 6401, 6515, 7958, 8510, 9361, 9515, 12802, 13030, 14333, 18722, 19030, 19895, 28666, 29969, 32005, 39790, 43769, 46805, 48211, 59938, 64010, 70411, 71665, 87538, 93610, 96422, 140822, 143330, 147223, 149845, 218845, 225419, 241055, 294446, 299690, 329659, 352055, 437690, 450838, 482110, 530321, 659318, 704110, 736115, 1060642, 1108853, 1127095, 1472230, 1619453, 1648295, 2217706, 2254190, 2479609, 2651605, 3238906, 3296590, 4959218, 5184637, 5303210, 5544265, 8097265, 8340503, 10369274, 11088530, 12197383, 12398045, 16194530, 16681006, 24394766, 24796090, 25923185, 41702515, 51846370, 57031007, 60986915, 83405030, 91745533, 114062014, 121973830, 183491066, 191831569, 285155035, 383663138, 458727665, 570310070, 917455330, 959157845, 1918315690, 2110147259, 4220294518, 10550736295, 21101472590]

約数ペア:

[(1, 21101472590), (2, 10550736295), (5, 4220294518), (10, 2110147259), (11, 1918315690), (22, 959157845), (23, 917455330), (37, 570310070), (46, 458727665), (55, 383663138), (74, 285155035), (110, 191831569), (115, 183491066), (173, 121973830), (185, 114062014), (230, 91745533), (253, 83405030), (346, 60986915), (370, 57031007), (407, 51846370), (506, 41702515), (814, 25923185), (851, 24796090), (865, 24394766), (1265, 16681006), (1303, 16194530), (1702, 12398045), (1730, 12197383), (1903, 11088530), (2035, 10369274), (2530, 8340503), (2606, 8097265), (3806, 5544265), (3979, 5303210), (4070, 5184637), (4255, 4959218), (6401, 3296590), (6515, 3238906), (7958, 2651605), (8510, 2479609), (9361, 2254190), (9515, 2217706), (12802, 1648295), (13030, 1619453), (14333, 1472230), (18722, 1127095), (19030, 1108853), (19895, 1060642), (28666, 736115), (29969, 704110), (32005, 659318), (39790, 530321), (43769, 482110), (46805, 450838), (48211, 437690), (59938, 352055), (64010, 329659), (70411, 299690), (71665, 294446), (87538, 241055), (93610, 225419), (96422, 218845), (140822, 149845), (143330, 147223)]