21987514128

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{51521}}^1$

素因数の和:52072

約数の個数: 80

約数和(自身を含む): 60258482496

約数和(自身を除く): 38270968368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 523, 816, 1046, 1569, 2092, 3138, 4184, 6276, 8368, 8891, 12552, 17782, 25104, 26673, 35564, 51521, 53346, 71128, 103042, 106692, 142256, 154563, 206084, 213384, 309126, 412168, 426768, 618252, 824336, 875857, 1236504, 1751714, 2473008, 2627571, 3503428, 5255142, 7006856, 10510284, 14013712, 21020568, 26945483, 42041136, 53890966, 80836449, 107781932, 161672898, 215563864, 323345796, 431127728, 458073211, 646691592, 916146422, 1293383184, 1374219633, 1832292844, 2748439266, 3664585688, 5496878532, 7329171376, 10993757064, 21987514128]

約数ペア:

[(1, 21987514128), (2, 10993757064), (3, 7329171376), (4, 5496878532), (6, 3664585688), (8, 2748439266), (12, 1832292844), (16, 1374219633), (17, 1293383184), (24, 916146422), (34, 646691592), (48, 458073211), (51, 431127728), (68, 323345796), (102, 215563864), (136, 161672898), (204, 107781932), (272, 80836449), (408, 53890966), (523, 42041136), (816, 26945483), (1046, 21020568), (1569, 14013712), (2092, 10510284), (3138, 7006856), (4184, 5255142), (6276, 3503428), (8368, 2627571), (8891, 2473008), (12552, 1751714), (17782, 1236504), (25104, 875857), (26673, 824336), (35564, 618252), (51521, 426768), (53346, 412168), (71128, 309126), (103042, 213384), (106692, 206084), (142256, 154563)]