21165811704

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{47591}}^1$

素因数の和:47706

約数の個数: 128

約数和(自身を含む): 61679232000

約数和(自身を除く): 40513420296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 71, 72, 87, 108, 116, 142, 174, 213, 216, 232, 261, 284, 348, 426, 522, 568, 639, 696, 783, 852, 1044, 1278, 1566, 1704, 1917, 2059, 2088, 2556, 3132, 3834, 4118, 5112, 6177, 6264, 7668, 8236, 12354, 15336, 16472, 18531, 24708, 37062, 47591, 49416, 55593, 74124, 95182, 111186, 142773, 148248, 190364, 222372, 285546, 380728, 428319, 444744, 571092, 856638, 1142184, 1284957, 1380139, 1713276, 2569914, 2760278, 3378961, 3426552, 4140417, 5139828, 5520556, 6757922, 8280834, 10136883, 10279656, 11041112, 12421251, 13515844, 16561668, 20273766, 24842502, 27031688, 30410649, 33123336, 37263753, 40547532, 49685004, 60821298, 74527506, 81095064, 91231947, 97989869, 99370008, 121642596, 149055012, 182463894, 195979738, 243285192, 293969607, 298110024, 364927788, 391959476, 587939214, 729855576, 783918952, 881908821, 1175878428, 1763817642, 2351756856, 2645726463, 3527635284, 5291452926, 7055270568, 10582905852, 21165811704]

約数ペア:

[(1, 21165811704), (2, 10582905852), (3, 7055270568), (4, 5291452926), (6, 3527635284), (8, 2645726463), (9, 2351756856), (12, 1763817642), (18, 1175878428), (24, 881908821), (27, 783918952), (29, 729855576), (36, 587939214), (54, 391959476), (58, 364927788), (71, 298110024), (72, 293969607), (87, 243285192), (108, 195979738), (116, 182463894), (142, 149055012), (174, 121642596), (213, 99370008), (216, 97989869), (232, 91231947), (261, 81095064), (284, 74527506), (348, 60821298), (426, 49685004), (522, 40547532), (568, 37263753), (639, 33123336), (696, 30410649), (783, 27031688), (852, 24842502), (1044, 20273766), (1278, 16561668), (1566, 13515844), (1704, 12421251), (1917, 11041112), (2059, 10279656), (2088, 10136883), (2556, 8280834), (3132, 6757922), (3834, 5520556), (4118, 5139828), (5112, 4140417), (6177, 3426552), (6264, 3378961), (7668, 2760278), (8236, 2569914), (12354, 1713276), (15336, 1380139), (16472, 1284957), (18531, 1142184), (24708, 856638), (37062, 571092), (47591, 444744), (49416, 428319), (55593, 380728), (74124, 285546), (95182, 222372), (111186, 190364), (142773, 148248)]