21551133838

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{50087}}^1$

素因数の和:50201

約数の個数: 48

約数和(自身を含む): 37397704320

約数和(自身を除く): 15846570482

約数列:

[1, 2, 13, 19, 26, 38, 67, 134, 169, 247, 338, 494, 871, 1273, 1742, 2546, 3211, 6422, 11323, 16549, 22646, 33098, 50087, 100174, 215137, 430274, 651131, 951653, 1302262, 1903306, 3355829, 6711658, 8464703, 12371489, 16929406, 24742978, 43625777, 63760751, 87251554, 127521502, 160829357, 321658714, 567135101, 828889763, 1134270202, 1657779526, 10775566919, 21551133838]

約数ペア:

[(1, 21551133838), (2, 10775566919), (13, 1657779526), (19, 1134270202), (26, 828889763), (38, 567135101), (67, 321658714), (134, 160829357), (169, 127521502), (247, 87251554), (338, 63760751), (494, 43625777), (871, 24742978), (1273, 16929406), (1742, 12371489), (2546, 8464703), (3211, 6711658), (6422, 3355829), (11323, 1903306), (16549, 1302262), (22646, 951653), (33098, 651131), (50087, 430274), (100174, 215137)]