21290147216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{883}}^1\times {\mathrm{6101}}^1$

素因数の和:7024

約数の個数: 80

約数和(自身を含む): 46821378240

約数和(自身を除く): 25531231024

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 883, 988, 1766, 1976, 3532, 3952, 6101, 7064, 11479, 12202, 14128, 16777, 22958, 24404, 33554, 45916, 48808, 67108, 79313, 91832, 97616, 115919, 134216, 158626, 183664, 218101, 231838, 268432, 317252, 436202, 463676, 634504, 872404, 927352, 1269008, 1506947, 1744808, 1854704, 3013894, 3489616, 5387183, 6027788, 10774366, 12055576, 21548732, 24111152, 43097464, 70033379, 86194928, 102356477, 140066758, 204712954, 280133516, 409425908, 560267032, 818851816, 1120534064, 1330634201, 1637703632, 2661268402, 5322536804, 10645073608, 21290147216]

約数ペア:

[(1, 21290147216), (2, 10645073608), (4, 5322536804), (8, 2661268402), (13, 1637703632), (16, 1330634201), (19, 1120534064), (26, 818851816), (38, 560267032), (52, 409425908), (76, 280133516), (104, 204712954), (152, 140066758), (208, 102356477), (247, 86194928), (304, 70033379), (494, 43097464), (883, 24111152), (988, 21548732), (1766, 12055576), (1976, 10774366), (3532, 6027788), (3952, 5387183), (6101, 3489616), (7064, 3013894), (11479, 1854704), (12202, 1744808), (14128, 1506947), (16777, 1269008), (22958, 927352), (24404, 872404), (33554, 634504), (45916, 463676), (48808, 436202), (67108, 317252), (79313, 268432), (91832, 231838), (97616, 218101), (115919, 183664), (134216, 158626)]