21613176

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:250

約数の個数: 128

約数和(自身を含む): 66528000

約数和(自身を除く): 44914824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 43, 52, 54, 72, 78, 86, 104, 108, 117, 129, 156, 172, 179, 216, 234, 258, 312, 344, 351, 358, 387, 468, 516, 537, 559, 702, 716, 774, 936, 1032, 1074, 1118, 1161, 1404, 1432, 1548, 1611, 1677, 2148, 2236, 2322, 2327, 2808, 3096, 3222, 3354, 4296, 4472, 4644, 4654, 4833, 5031, 6444, 6708, 6981, 7697, 9288, 9308, 9666, 10062, 12888, 13416, 13962, 15093, 15394, 18616, 19332, 20124, 20943, 23091, 27924, 30186, 30788, 38664, 40248, 41886, 46182, 55848, 60372, 61576, 62829, 69273, 83772, 92364, 100061, 120744, 125658, 138546, 167544, 184728, 200122, 207819, 251316, 277092, 300183, 400244, 415638, 502632, 554184, 600366, 800488, 831276, 900549, 1200732, 1662552, 1801098, 2401464, 2701647, 3602196, 5403294, 7204392, 10806588, 21613176]

約数ペア:

[(1, 21613176), (2, 10806588), (3, 7204392), (4, 5403294), (6, 3602196), (8, 2701647), (9, 2401464), (12, 1801098), (13, 1662552), (18, 1200732), (24, 900549), (26, 831276), (27, 800488), (36, 600366), (39, 554184), (43, 502632), (52, 415638), (54, 400244), (72, 300183), (78, 277092), (86, 251316), (104, 207819), (108, 200122), (117, 184728), (129, 167544), (156, 138546), (172, 125658), (179, 120744), (216, 100061), (234, 92364), (258, 83772), (312, 69273), (344, 62829), (351, 61576), (358, 60372), (387, 55848), (468, 46182), (516, 41886), (537, 40248), (559, 38664), (702, 30788), (716, 30186), (774, 27924), (936, 23091), (1032, 20943), (1074, 20124), (1118, 19332), (1161, 18616), (1404, 15394), (1432, 15093), (1548, 13962), (1611, 13416), (1677, 12888), (2148, 10062), (2236, 9666), (2322, 9308), (2327, 9288), (2808, 7697), (3096, 6981), (3222, 6708), (3354, 6444), (4296, 5031), (4472, 4833), (4644, 4654)]