21367008

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^2\times {\mathrm{439}}^1$

素因数の和:481

約数の個数: 108

約数和(自身を含む): 65945880

約数和(自身を除く): 44578872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 169, 208, 234, 288, 312, 338, 416, 439, 468, 507, 624, 676, 878, 936, 1014, 1248, 1317, 1352, 1521, 1756, 1872, 2028, 2634, 2704, 3042, 3512, 3744, 3951, 4056, 5268, 5408, 5707, 6084, 7024, 7902, 8112, 10536, 11414, 12168, 14048, 15804, 16224, 17121, 21072, 22828, 24336, 31608, 34242, 42144, 45656, 48672, 51363, 63216, 68484, 74191, 91312, 102726, 126432, 136968, 148382, 182624, 205452, 222573, 273936, 296764, 410904, 445146, 547872, 593528, 667719, 821808, 890292, 1187056, 1335438, 1643616, 1780584, 2374112, 2670876, 3561168, 5341752, 7122336, 10683504, 21367008]

約数ペア:

[(1, 21367008), (2, 10683504), (3, 7122336), (4, 5341752), (6, 3561168), (8, 2670876), (9, 2374112), (12, 1780584), (13, 1643616), (16, 1335438), (18, 1187056), (24, 890292), (26, 821808), (32, 667719), (36, 593528), (39, 547872), (48, 445146), (52, 410904), (72, 296764), (78, 273936), (96, 222573), (104, 205452), (117, 182624), (144, 148382), (156, 136968), (169, 126432), (208, 102726), (234, 91312), (288, 74191), (312, 68484), (338, 63216), (416, 51363), (439, 48672), (468, 45656), (507, 42144), (624, 34242), (676, 31608), (878, 24336), (936, 22828), (1014, 21072), (1248, 17121), (1317, 16224), (1352, 15804), (1521, 14048), (1756, 12168), (1872, 11414), (2028, 10536), (2634, 8112), (2704, 7902), (3042, 7024), (3512, 6084), (3744, 5707), (3951, 5408), (4056, 5268)]