21400392

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{607}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 58222080

約数和(自身を除く): 36821688

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 113, 156, 226, 312, 339, 452, 607, 678, 904, 1214, 1356, 1469, 1821, 2428, 2712, 2938, 3642, 4407, 4856, 5876, 7284, 7891, 8814, 11752, 14568, 15782, 17628, 23673, 31564, 35256, 47346, 63128, 68591, 94692, 137182, 189384, 205773, 274364, 411546, 548728, 823092, 891683, 1646184, 1783366, 2675049, 3566732, 5350098, 7133464, 10700196, 21400392]

約数ペア:

[(1, 21400392), (2, 10700196), (3, 7133464), (4, 5350098), (6, 3566732), (8, 2675049), (12, 1783366), (13, 1646184), (24, 891683), (26, 823092), (39, 548728), (52, 411546), (78, 274364), (104, 205773), (113, 189384), (156, 137182), (226, 94692), (312, 68591), (339, 63128), (452, 47346), (607, 35256), (678, 31564), (904, 23673), (1214, 17628), (1356, 15782), (1469, 14568), (1821, 11752), (2428, 8814), (2712, 7891), (2938, 7284), (3642, 5876), (4407, 4856)]