21472074

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 52214400

約数和(自身を除く): 30742326

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 73, 78, 117, 146, 219, 234, 351, 419, 438, 657, 702, 838, 949, 1257, 1314, 1898, 1971, 2514, 2847, 3771, 3942, 5447, 5694, 7542, 8541, 10894, 11313, 16341, 17082, 22626, 25623, 30587, 32682, 49023, 51246, 61174, 91761, 98046, 147069, 183522, 275283, 294138, 397631, 550566, 795262, 825849, 1192893, 1651698, 2385786, 3578679, 7157358, 10736037, 21472074]

約数ペア:

[(1, 21472074), (2, 10736037), (3, 7157358), (6, 3578679), (9, 2385786), (13, 1651698), (18, 1192893), (26, 825849), (27, 795262), (39, 550566), (54, 397631), (73, 294138), (78, 275283), (117, 183522), (146, 147069), (219, 98046), (234, 91761), (351, 61174), (419, 51246), (438, 49023), (657, 32682), (702, 30587), (838, 25623), (949, 22626), (1257, 17082), (1314, 16341), (1898, 11313), (1971, 10894), (2514, 8541), (2847, 7542), (3771, 5694), (3942, 5447)]