21997764

素因数分解:

$2^2\times 3^3\times {\mathrm{149}}^1\times {\mathrm{1367}}^1$

素因数の和:1529

約数の個数: 48

約数和(自身を含む): 57456000

約数和(自身を除く): 35458236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 149, 298, 447, 596, 894, 1341, 1367, 1788, 2682, 2734, 4023, 4101, 5364, 5468, 8046, 8202, 12303, 16092, 16404, 24606, 36909, 49212, 73818, 147636, 203683, 407366, 611049, 814732, 1222098, 1833147, 2444196, 3666294, 5499441, 7332588, 10998882, 21997764]

約数ペア:

[(1, 21997764), (2, 10998882), (3, 7332588), (4, 5499441), (6, 3666294), (9, 2444196), (12, 1833147), (18, 1222098), (27, 814732), (36, 611049), (54, 407366), (108, 203683), (149, 147636), (298, 73818), (447, 49212), (596, 36909), (894, 24606), (1341, 16404), (1367, 16092), (1788, 12303), (2682, 8202), (2734, 8046), (4023, 5468), (4101, 5364)]