21072348

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 58705920

約数和(自身を除く): 37633572

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 127, 132, 198, 254, 381, 396, 419, 508, 762, 838, 1143, 1257, 1397, 1524, 1676, 2286, 2514, 2794, 3771, 4191, 4572, 4609, 5028, 5588, 7542, 8382, 9218, 12573, 13827, 15084, 16764, 18436, 25146, 27654, 41481, 50292, 53213, 55308, 82962, 106426, 159639, 165924, 212852, 319278, 478917, 585343, 638556, 957834, 1170686, 1756029, 1915668, 2341372, 3512058, 5268087, 7024116, 10536174, 21072348]

約数ペア:

[(1, 21072348), (2, 10536174), (3, 7024116), (4, 5268087), (6, 3512058), (9, 2341372), (11, 1915668), (12, 1756029), (18, 1170686), (22, 957834), (33, 638556), (36, 585343), (44, 478917), (66, 319278), (99, 212852), (127, 165924), (132, 159639), (198, 106426), (254, 82962), (381, 55308), (396, 53213), (419, 50292), (508, 41481), (762, 27654), (838, 25146), (1143, 18436), (1257, 16764), (1397, 15084), (1524, 13827), (1676, 12573), (2286, 9218), (2514, 8382), (2794, 7542), (3771, 5588), (4191, 5028), (4572, 4609)]