21268188

素因数分解:

$2^2\times 3^2\times {\mathrm{601}}^1\times {\mathrm{983}}^1$

素因数の和:1594

約数の個数: 36

約数和(自身を含む): 53905488

約数和(自身を除く): 32637300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 601, 983, 1202, 1803, 1966, 2404, 2949, 3606, 3932, 5409, 5898, 7212, 8847, 10818, 11796, 17694, 21636, 35388, 590783, 1181566, 1772349, 2363132, 3544698, 5317047, 7089396, 10634094, 21268188]

約数ペア:

[(1, 21268188), (2, 10634094), (3, 7089396), (4, 5317047), (6, 3544698), (9, 2363132), (12, 1772349), (18, 1181566), (36, 590783), (601, 35388), (983, 21636), (1202, 17694), (1803, 11796), (1966, 10818), (2404, 8847), (2949, 7212), (3606, 5898), (3932, 5409)]