21120984

素因数分解:

$2^3\times 3^2\times {\mathrm{233}}^1\times {\mathrm{1259}}^1$

素因数の和:1504

約数の個数: 48

約数和(自身を含む): 57493800

約数和(自身を除く): 36372816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 233, 466, 699, 932, 1259, 1398, 1864, 2097, 2518, 2796, 3777, 4194, 5036, 5592, 7554, 8388, 10072, 11331, 15108, 16776, 22662, 30216, 45324, 90648, 293347, 586694, 880041, 1173388, 1760082, 2346776, 2640123, 3520164, 5280246, 7040328, 10560492, 21120984]

約数ペア:

[(1, 21120984), (2, 10560492), (3, 7040328), (4, 5280246), (6, 3520164), (8, 2640123), (9, 2346776), (12, 1760082), (18, 1173388), (24, 880041), (36, 586694), (72, 293347), (233, 90648), (466, 45324), (699, 30216), (932, 22662), (1259, 16776), (1398, 15108), (1864, 11331), (2097, 10072), (2518, 8388), (2796, 7554), (3777, 5592), (4194, 5036)]