21603816

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23081}}^1$

素因数の和:23106

約数の個数: 48

約数和(自身を含む): 63013860

約数和(自身を除く): 41410044

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 23081, 46162, 69243, 92324, 138486, 184648, 207729, 276972, 300053, 415458, 553944, 600106, 830916, 900159, 1200212, 1661832, 1800318, 2400424, 2700477, 3600636, 5400954, 7201272, 10801908, 21603816]

約数ペア:

[(1, 21603816), (2, 10801908), (3, 7201272), (4, 5400954), (6, 3600636), (8, 2700477), (9, 2400424), (12, 1800318), (13, 1661832), (18, 1200212), (24, 900159), (26, 830916), (36, 600106), (39, 553944), (52, 415458), (72, 300053), (78, 276972), (104, 207729), (117, 184648), (156, 138486), (234, 92324), (312, 69243), (468, 46162), (936, 23081)]