21449988

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1669}}^1$

素因数の和:1706

約数の個数: 96

約数和(自身を含む): 67334400

約数和(自身を除く): 45884412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 84, 102, 108, 119, 126, 153, 189, 204, 238, 252, 306, 357, 378, 459, 476, 612, 714, 756, 918, 1071, 1428, 1669, 1836, 2142, 3213, 3338, 4284, 5007, 6426, 6676, 10014, 11683, 12852, 15021, 20028, 23366, 28373, 30042, 35049, 45063, 46732, 56746, 60084, 70098, 85119, 90126, 105147, 113492, 140196, 170238, 180252, 198611, 210294, 255357, 315441, 340476, 397222, 420588, 510714, 595833, 630882, 766071, 794444, 1021428, 1191666, 1261764, 1532142, 1787499, 2383332, 3064284, 3574998, 5362497, 7149996, 10724994, 21449988]

約数ペア:

[(1, 21449988), (2, 10724994), (3, 7149996), (4, 5362497), (6, 3574998), (7, 3064284), (9, 2383332), (12, 1787499), (14, 1532142), (17, 1261764), (18, 1191666), (21, 1021428), (27, 794444), (28, 766071), (34, 630882), (36, 595833), (42, 510714), (51, 420588), (54, 397222), (63, 340476), (68, 315441), (84, 255357), (102, 210294), (108, 198611), (119, 180252), (126, 170238), (153, 140196), (189, 113492), (204, 105147), (238, 90126), (252, 85119), (306, 70098), (357, 60084), (378, 56746), (459, 46732), (476, 45063), (612, 35049), (714, 30042), (756, 28373), (918, 23366), (1071, 20028), (1428, 15021), (1669, 12852), (1836, 11683), (2142, 10014), (3213, 6676), (3338, 6426), (4284, 5007)]