21438972

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{11677}}^1$

素因数の和:11707

約数の個数: 48

約数和(自身を含む): 58857120

約数和(自身を除く): 37418148

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 306, 459, 612, 918, 1836, 11677, 23354, 35031, 46708, 70062, 105093, 140124, 198509, 210186, 315279, 397018, 420372, 595527, 630558, 794036, 1191054, 1261116, 1786581, 2382108, 3573162, 5359743, 7146324, 10719486, 21438972]

約数ペア:

[(1, 21438972), (2, 10719486), (3, 7146324), (4, 5359743), (6, 3573162), (9, 2382108), (12, 1786581), (17, 1261116), (18, 1191054), (27, 794036), (34, 630558), (36, 595527), (51, 420372), (54, 397018), (68, 315279), (102, 210186), (108, 198509), (153, 140124), (204, 105093), (306, 70062), (459, 46708), (612, 35031), (918, 23354), (1836, 11677)]