21909456

素因数分解:

$2^4\times 3^2\times {\mathrm{233}}^1\times {\mathrm{653}}^1$

素因数の和:900

約数の個数: 60

約数和(自身を含む): 61673508

約数和(自身を除く): 39764052

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 233, 466, 653, 699, 932, 1306, 1398, 1864, 1959, 2097, 2612, 2796, 3728, 3918, 4194, 5224, 5592, 5877, 7836, 8388, 10448, 11184, 11754, 15672, 16776, 23508, 31344, 33552, 47016, 94032, 152149, 304298, 456447, 608596, 912894, 1217192, 1369341, 1825788, 2434384, 2738682, 3651576, 5477364, 7303152, 10954728, 21909456]

約数ペア:

[(1, 21909456), (2, 10954728), (3, 7303152), (4, 5477364), (6, 3651576), (8, 2738682), (9, 2434384), (12, 1825788), (16, 1369341), (18, 1217192), (24, 912894), (36, 608596), (48, 456447), (72, 304298), (144, 152149), (233, 94032), (466, 47016), (653, 33552), (699, 31344), (932, 23508), (1306, 16776), (1398, 15672), (1864, 11754), (1959, 11184), (2097, 10448), (2612, 8388), (2796, 7836), (3728, 5877), (3918, 5592), (4194, 5224)]