21460380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15551}}^1$

素因数の和:15586

約数の個数: 48

約数和(自身を含む): 62705664

約数和(自身を除く): 41245284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15551, 31102, 46653, 62204, 77755, 93306, 155510, 186612, 233265, 311020, 357673, 466530, 715346, 933060, 1073019, 1430692, 1788365, 2146038, 3576730, 4292076, 5365095, 7153460, 10730190, 21460380]

約数ペア:

[(1, 21460380), (2, 10730190), (3, 7153460), (4, 5365095), (5, 4292076), (6, 3576730), (10, 2146038), (12, 1788365), (15, 1430692), (20, 1073019), (23, 933060), (30, 715346), (46, 466530), (60, 357673), (69, 311020), (92, 233265), (115, 186612), (138, 155510), (230, 93306), (276, 77755), (345, 62204), (460, 46653), (690, 31102), (1380, 15551)]